## Question

###### Given the function y-f(x) Y' is found to be positive over the interval (4,8), then over this interval it can be said that the function isincreasingdecreasingconcave downwardconcave upward

Given the function y-f(x) Y' is found to be positive over the interval (4,8), then over this interval it can be said that the function is increasing decreasing concave downward concave upward

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