Can you please also find the concave up & down for f''(x)=40(x-3)^4(x^2-64)

Suppose the second derivative of fis given by "(x) = 4(+ 86). Determine the intervals of concavity of f. (49 - x2)3 Enter your answer using interval notation. If an answer does not exist, enter DNE. f is concave up on f is concave down on Viewing Saved Work Revert to Last Response 2. [0/1 Points] DETAILS PREVIOUS ANSWERS Math 110 Course Resources -Curve Sketching Course Packet on intervals of concavity Suppose the second derivative of f is given by f'(x) = 40x#(x + 6)?(x? + 64). Determine the intervals of concavity of f. Enter your answer using interval notation, If an answer does not exist, enter DNE. is concave up on f is concave down on 3. [-/1 Points] DETAILS Math 110 Course Resources - Curve Sketching Course Packet on intervals of concavity Suppose the second derivative of f is given by f (x) = -35x7 (x - 2)3(x7 + 64). Determine the intervals of concavity of f. Enter your answer using interval notation. If an answer does not exist, enter DNE. f is concave up on f is concave down on