Consider the following function. f(x) = X = (a) Find the critical numbers of f. (Enter your answers as a comma-separated list.) 4x + 1, increasing (b) Find the open intervals on which the function is increasing or decreasing. (Enter your answers using interval notation. If an answer does not exist, enter DNE.) decreasing x < -1 X > -1 (c) Apply the First Derivative Test to identify the relative extremum. (If an answer does not exist, enter DNE.) (x, y) = relative maximum relative minimum (x, y) =

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A: Given information: y=y1+y2 A and B are points on the graphs of functions y1 and y2 A=π,-0.5B=π,-1

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A: The given equations,We have to find the function that is equal to .

Q: Where does the original function f(x) increases and decreased

A: f'(x) = +ve→f(x) will be increasing in this range.f'(x) = -ve→f(x) will be decreasing in this…

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