Find the second derivative.
-$$y = 9 x ^ { 2 } + 3 x - 7$$
A) 9
B) 18
C) 0
D) $18 x + 3$

Name: Find the second derivative. -\[y = 9 x ^ { 2 } + 3 x - 7\] A) 9 B) 18 C) 0 D) $18 x + 3$
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Question

Quizplus · Accepted Answer

The first derivative is:
$$y' = 18x + 3$$
Taking the derivative again gives us the second derivative:
$$y'' = 18$$
Therefore, the second derivative is a constant, and the correct answer is B) 18.

Find the Second Derivative y=9x2+3x−7y = 9 x ^ { 2 } + 3 x - 7y=9x2+3x−7

Find the Second Derivative $y = 9 x ^ { 2 } + 3 x - 7$