- #1
Loppyfoot
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Homework Statement
Suppose f(3)=2 , f'(3)=5 , and f''(3)= -2 . Then d²/dx² (f²(x)) at x=3 is equal to ____?
A. -20
B. 20
C. 38
D. 42
E. 10
The Attempt at a Solution
I am confused about how to find the function to get the derivative from that function. Any Ideas? Thanks.