ONLY ANSWER QUESTION 43 a, b, and c are used to answer this question. Do not answer question 3.Will give a thumbs up for correct answers

3. Find the critical points for each function. Use the first derivative test to determine whether the critical point is a local maximum, local minimum, or neither. 2x b. f (x) = C. )=X + 36 + 1 x2 +9 DCAL MAXIMA, AND LOCAL MINIMA NEL 4. Find the x- and y-intercepts of each function in question 3, and then sketch the curve