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At wmat points Jc thc functions in Exenixs 13-30 continuous"Notepad mat View HelpLn 1, Col2Lcsc 2r...

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At wmat points Jc thc functions in Exenixs 13-30 continuous"Notepad mat View HelpLn 1, Col2Lcsc 2r

At wmat points Jc thc functions in Exenixs 13-30 continuous" Notepad mat View Help Ln 1, Col 2L csc 2r



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In Problems 13–20, determine whether the function is one-to-one. $$\{(0,0),(1,1),(2,16),(3,81)\}$$

Really given problem, We want to determine if the function is continuous at the point being approached. In this case the point being approached is zero and we have the function sign of high over to times the code sign of the tangent of um ki. And we can also put the T here as well, Although this is actually given to us by over two. So now let's consider this, the tangent of zero. We know it's going to be zero. The code sign of zero, we know is going to be one. We have the high over two times one we know is going to equal power to. So the sign of power to is our answer. We know that the sine of pi over two is equal to one. So based on this, we see that the limit of the function um is able to be obtained just by plugging in the value directly. So what that tells us is that the limit Is equal to the value of the function f of zero is equal to one and the limit is equal to one. So since the limit is equal to one, or the limit is equal to the value of the function, This is the limit as x approaches zero is equal to the function of as the function F. Of zero, which is equal to one because these are equal to each other, we know that the function is going to be continuous at zero, so that's our final result.

So we want to find what the co sign of five million, 555,555 pi over two is. And we want to do that by using the period of co sign. And we know that co sign has a period equal to two pi. So if we take that 55 million, 555,555 pi over two and divide it by two pi, we're going to see how many periods we're going to go through. Well, this pie is going to cancel that pie. And this fraction divided by two, means the same thing as taking this fraction. And let me write that number down That's a comma and taking the fraction and then multiplying it by one half. And so when I multiply that this will be a denominator four. So let's just erase that and change this to a four, and that's how many revolutions around we're going to have. So and again. I'm assuming that we're not using a calculator for this because if you're using the calculator, we just type it in. And so if I divide this I'm going to find four goes into five wants with one left over and four goes into 15, goes into their three times four times three is 12, so there are three left over and four goes into 35 8 times, with 32 subtracting 32 from 35. It's going to be with three left over, and this is going to continue to go like so, and there's going to be a remainder of three or we go this many revolutions and 3/4 of a revolution. So if we think of the unit circle approach, we're going to spin around around around. And let's put the commas there 1,000,300 88,000, 888 times and then go three quarters of a revolution and we're going to stop right here. And we know that that coordinate is the 0.0 negative one, and the X coordinate is the co sine of the angle. So when all is said and done and you move around all those revolutions, you're going to end up having the coastline B zero

In discussion. Air explaining room is equal to minus 4.7 and ex Mex is a little or 0.7. Excess gay is a quick one. Why? I mean England is equal to minus 3.1 and right mix is equal to 0.1. Vice game is equipped. One No girl single. Well, these planes as below. Bingo Josta Ringo off minus 4.7 4.7 by 3.1, minus 3.1.

So no. In this question, we have ffx is equals to to bless X minus X and three X met X is less than minus four and four and five and X is greater than five. I invade us. We have X minimum as minus 12. Why many months as my nest six x max s doing and Ryan Max s 20. According to this, we will have a question off. Why one named? So we will have two plus X. That X is less than minus four. Bless minus six. We're X is greater than equal to minus four and access less than equal toe fly. Bless to the X on X is greater than strictly greater than so No, we would have a graph according to this equation. So we have three equations which is running oneness on the line, which is from 15 and going above 20 one is passing through the origin and that is on the second Gordon. So this is the second quarter on one year it is having up and they get value off picks and negative value off what


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