## Question

###### Problem 12Let f (x) = -2x2 + 8x - 1.Find the vertex . SHOW ALL WORK algebraically:(6) Write the function in vertex form:(c) Find the X-intercepts ALGEBRAICALLY. Give EXACT ANSWERS (no decimals). Simplify all radicals

Problem 12 Let f (x) = -2x2 + 8x - 1. Find the vertex . SHOW ALL WORK algebraically: (6) Write the function in vertex form: (c) Find the X-intercepts ALGEBRAICALLY. Give EXACT ANSWERS (no decimals). Simplify all radicals

## Answers

#### Similar Solved Questions

3 answers

##### ProblemConsider Poisson process where in interval [0_ we have X Poisson(As) arrival and in interval [s. t] we have Y Poisson( A(t where X and Y independenb.Prove that the number of arrival [0. t] ie. X +Y is Poisson( At).(b) Prove that:P(X = RX+Y = n) ~ Binomial(pn).

Problem Consider Poisson process where in interval [0_ we have X Poisson(As) arrival and in interval [s. t] we have Y Poisson( A(t where X and Y independenb. Prove that the number of arrival [0. t] ie. X +Y is Poisson( At). (b) Prove that: P(X = RX+Y = n) ~ Binomial(p n)....

5 answers

##### Use bond cnergies found Table of Tro, Fridgen and Shaw and estimate the energy change (in kJmol) for the following reaction: C= â‚¬ 2 [ 2 CHI CHI _ The â‚¬C-[ bond energy is 213 kJlmol,

Use bond cnergies found Table of Tro, Fridgen and Shaw and estimate the energy change (in kJmol) for the following reaction: C= â‚¬ 2 [ 2 CHI CHI _ The â‚¬C-[ bond energy is 213 kJlmol,...

5 answers

##### Propose reagents that could be used to synthesize the following aromatic compounds in two steps from benzene cases where mixture of ortho- and para- products would result; assume you can separate them t0 isolate the isomer shown: [4 points each]NOzSO3H

Propose reagents that could be used to synthesize the following aromatic compounds in two steps from benzene cases where mixture of ortho- and para- products would result; assume you can separate them t0 isolate the isomer shown: [4 points each] NOz SO3H...

5 answers

##### Gaseous hydrogenoxygen can be prepared in the laboralory from the decomposition of gaseous wier The equation for the reaction is2 H,O(g) L 2H,(g) +0,(g)Calculate how many grams of 0_(g)be produced from 78.4 g H,O().Tal

Gaseous hydrogen oxygen can be prepared in the laboralory from the decomposition of gaseous wier The equation for the reaction is 2 H,O(g) L 2H,(g) +0,(g) Calculate how many grams of 0_(g) be produced from 78.4 g H,O(). Tal...

5 answers

##### 7. (10 points total) Two resistors (10 0,20 0) are connected together in series The current through the 10 @ resistor is 0.4 A_a) (5 points) What is the voltage of the battery used to operate the circuit? Vz 0 .4C0) = 4v Ghct cbnt hhe Seco l reyi stab) (5 points_ How much power is needed to operate the circuit?

7. (10 points total) Two resistors (10 0,20 0) are connected together in series The current through the 10 @ resistor is 0.4 A_ a) (5 points) What is the voltage of the battery used to operate the circuit? Vz 0 .4C0) = 4v Ghct cbnt hhe Seco l reyi sta b) (5 points_ How much power is needed to operat...

5 answers

##### 2. Consider the function f () Find the domain of y: f() Find the intervals on which y fl) increasing, and the intervals On whichy = f(x) is decreasing: Your answers should be fully supported with calculus-based work shown: Find the intervals which f(x) is concave UP, and the intervals which flx) is concave down. Your answers should be fully supported with calculus-based work shown:

2. Consider the function f () Find the domain of y: f() Find the intervals on which y fl) increasing, and the intervals On whichy = f(x) is decreasing: Your answers should be fully supported with calculus-based work shown: Find the intervals which f(x) is concave UP, and the intervals which flx) is ...

5 answers

##### The charge, in Coulombs_ across a capacitor is: q (Se-2t) (cos 4t). Given i = dq/ dt , find the current in the capacitor when t = scc. Answer with 2 decimal places.

The charge, in Coulombs_ across a capacitor is: q (Se-2t) (cos 4t). Given i = dq/ dt , find the current in the capacitor when t = scc. Answer with 2 decimal places....

5 answers

##### Express the indicated derivative in terms of F(x): Assume that F is differentiable:+(F(Bx))) dxChoose the correct expression for dx(F(8x))) below:04 56(4 +F(8x))SF '(Bx) 0 B. 7(4 +F(8x))FF '(8x) 0 C 7(4+F ' (8x)) 6F(8x) D. 56 (4+F ' (8x)) 6F(8x)

Express the indicated derivative in terms of F(x): Assume that F is differentiable: +(F(Bx))) dx Choose the correct expression for dx (F(8x))) below: 04 56(4 +F(8x))SF '(Bx) 0 B. 7(4 +F(8x))FF '(8x) 0 C 7(4+F ' (8x)) 6F(8x) D. 56 (4+F ' (8x)) 6F(8x)...

5 answers

##### Chem. 4416F20 Lab. Man: Exp.Add the cupric acetate solution to the RBF_ and reflux the mixture for 45 minutes and record any colour changes observed: Cool the contents of the RBF t0 50"C and then pour the reaction mixture into ice cold water (10 5 mL) in a beaker: Collect the precipitate by Vacuum filtration, washing the solid with water (3 x [0 mL) Run TLC of your product: Include spots on the TLC for the crude product, and authentic benzoin and benzil. Develop the TLC plate in methylene c

Chem. 4416F20 Lab. Man: Exp. Add the cupric acetate solution to the RBF_ and reflux the mixture for 45 minutes and record any colour changes observed: Cool the contents of the RBF t0 50"C and then pour the reaction mixture into ice cold water (10 5 mL) in a beaker: Collect the precipitate by Va...

5 answers

##### Consider the following statement: The average value of the rate of change of a function over an interval is equal to the average rate of change of the function over that interval. Write a short paragraph that explains why this statement may be interpreted as a rewording of Part 1 of the Fundamental Theorem of Calculus.

Consider the following statement: The average value of the rate of change of a function over an interval is equal to the average rate of change of the function over that interval. Write a short paragraph that explains why this statement may be interpreted as a rewording of Part 1 of the Fundamental ...

1 answers

##### Multiply the radical expressions. (See Examples $1-4 .$. ) $$\sqrt{5 x^{3}} \cdot \sqrt{10 x^{4}}$$

Multiply the radical expressions. (See Examples $1-4 .$. ) $$\sqrt{5 x^{3}} \cdot \sqrt{10 x^{4}}$$...

5 answers

##### So when measuring then B. the probability of finding Value of fOr and 0 for B is given by the product of the probabilities (3.199) and (3.197):P(a3, b2) P' (a3)P' (b2) (3.200) 3 2 The probabilities P(bz; 03) and P(az, b2) as shown in (3.196) and (3.200). are different This is expected since 4 and B do not comnute. The result of the successive measurements of A and B therefore depends 01 the order in which they are cairied out. The probability of obtaining 0 for B then for A is equal to

So when measuring then B. the probability of finding Value of fOr and 0 for B is given by the product of the probabilities (3.199) and (3.197): P(a3, b2) P' (a3)P' (b2) (3.200) 3 2 The probabilities P(bz; 03) and P(az, b2) as shown in (3.196) and (3.200). are different This is expected sin...

5 answers

##### Name the Jnoa Chapter 10, following answer Question compound: Incorrect . Try 'uiebe1-ethyl-3 '3-dimethyl-cyII

Name the Jnoa Chapter 10, following answer Question compound: Incorrect . Try 'uiebe 1-ethyl-3 '3-dimethyl-cy II...

5 answers

##### Heartburn is a painful burning sensation in the esophagus. The pain is caused by stomach acid. Sometimes some of that stomach acid can work its way up into the esophagus, causing the pain. You can treat more severe heartburn with antacids that work by reacting with and neutralizing stomach acid. In this regard, you need to answer the following questions: 1) Assume that stomach acid is HCl and write balanced molecular equations showing how each of these antacids neutralizes stomach acid

Heartburn is a painful burning sensation in the esophagus. The pain is caused by stomach acid. Sometimes some of that stomach acid can work its way up into the esophagus, causing the pain. You can treat more severe heartburn with antacids that work by reacting with and neutralizing stomach a...

5 answers

##### If loga 2a )-a then a = 4Select one: 20b. 120,16di 8

If loga 2a )-a then a = 4 Select one: 20 b. 12 0,16 di 8...

5 answers

##### The purity of a potassium carbonate reagent is determined byatomic emission spectrophotometry using the Flamometer, for which1.2011 g are weighed. of the sample, it is dissolved in distilledwater and it is made up to a volume of 250 mL. a 5 mL aliquot istaken from this solution. and it is brought to 100 mL. Withdistilled water, 50 mL are taken from this solution, in a beakerand taken to the instrument giving an emission of 66.96 at the sametime, a series of standards was run obtaining the follow

The purity of a potassium carbonate reagent is determined by atomic emission spectrophotometry using the Flamometer, for which 1.2011 g are weighed. of the sample, it is dissolved in distilled water and it is made up to a volume of 250 mL. a 5 mL aliquot is taken from this solution. and it is brough...

5 answers

##### Using binomial expansion; prove that: ak mod n = (a mod n)k Hint; Lct r = 4 mod n thcn for k positive 8a qn +r 'integers. cxpand the right r=a-qn1 for some q â‚¬2, 0sr<n Thcn hand side of the equation () and also a* using binominl expansion. (2o points}

Using binomial expansion; prove that: ak mod n = (a mod n)k Hint; Lct r = 4 mod n thcn for k positive 8a qn +r 'integers. cxpand the right r=a-qn1 for some q â‚¬2, 0sr<n Thcn hand side of the equation () and also a* using binominl expansion. (2o points}...

5 answers

##### Fiad tearea cP-eregi e 4fâ‚¬ @ 9ra?hit utht) Je Vev;P} Neur Y eSul +

Fiad tearea cP-eregi e 4fâ‚¬ @ 9ra?hit utht) Je Vev;P} Neur Y eSul +...

5 answers

##### Use the Ratio Test to determine whether a converges, where an is given. State if the ratio test is inconclusive. n =(Zn)l (2n)nIdentify a"Evaluate the following limit an+l lim a

Use the Ratio Test to determine whether a converges, where an is given. State if the ratio test is inconclusive. n = (Zn)l (2n)n Identify a" Evaluate the following limit an+l lim a...