Find f'(a) if f(x)= 2 + x – 5x^2?

answer:

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

when x= 1

f(1)=5×(1)^2-4×1+5

=5-4+5=6

when x= -1

f(-1)=5×(-1)^2-4×(-1)+5

=5+4+5=14

when x=0

f(0)=5× (0)^2-4(0)+5

=0-0+5

=5

ATQ,

f(1)+f(-1)+f(0)=6+14+5=25.

hope it helps.

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Step-by-step explanation:

15 units use socratic

step-by-step explanation: 15 units

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