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Question: Answered & Verified by Expert
If $f(x)=2 x^{2}+3 x-5$, then what is $f^{\prime}(0)+3 f^{\prime}(-1)$ equal to?
MathematicsApplication of DerivativesNDANDA 2013 (Phase 2)
Options:
  • A $-1$
  • B 0
  • C 1
  • D 2
Solution:
1278 Upvotes Verified Answer
The correct answer is: 0
$\mathrm{F}(\mathrm{x})=2 \mathrm{x}^{2}+3 \mathrm{x}-5$
$\mathrm{~F}^{\prime}(\mathrm{x})=4 \mathrm{x}+3$
$\mathrm{~F}^{\prime}(0)+3 \mathrm{~F}^{\prime}(-1)=3+3(-4+3)=0$

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