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03-10-2020
Mathematics

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Find f(-2) when f(x)=2x^2+5x-4

Find f2 when fx2x25x4 class=

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wegnerkolmp2741o wegnerkolmp2741o

03-10-2020

Answer:

-6

Step-by-step explanation:

f(x)=2x^2+5x-4

Let x= -2

f(-2)=2*(-2)^2+5(-2)-4

= 2 (4)+5(-2)-4

= 8 -10 -4

= -6

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