Use NDER on a calculator to find the numerical derivative of the function at the specified point.
-$f ( x ) = - 4 x ^ { 2 } + 7 x$ at $x = 5$
A) 3
B) $- 33$
C) $- 13$
D) 33

Name: Use NDER on a calculator to find the numerical derivative of the function at the specified point. -$f ( x ) = - 4 x ^ { 2 } + 7 x$ at $x = 5$ A) 3 B) $- 33$ C) $- 13$ D) 33
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Question

Quizplus · Accepted Answer

The derivative of $f(x) = -4x^2 + 7x$ is $f'(x) = -8x + 7$. Substituting $x = 5$ into $f'(x)$ gives $f'(5) = -8(5) + 7 = -40 + 7 = -33$.

Use NDER on a Calculator to Find the Numerical Derivative f(x)=−4x2+7xf ( x ) = - 4 x ^ { 2 } + 7 xf(x)=−4x2+7x

Use NDER on a Calculator to Find the Numerical Derivative $f ( x ) = - 4 x ^ { 2 } + 7 x$