Question

for the function f(x)= cos(3x) find f" (π/3)​

Answer 1

Answer:

M C

Step-by-step explanation:

Answer 2

Answer:

9

Step-by-step explanation:

f(x)= cos (3x)

f'(x)=d f(x)

d x

f'(x)= -3sin(3x)

f"(x)= -9cos (3x)

f"(π/3)= -9 • cos(3 π/3)

=-9cos(π)

=-9 * -1

=9