Question

if f(x)=5xsquare-4x+5find f(1)+f(-1)+f(0)​

Answer 1

Answer:

25

Explanation:

f(x)=5x²-4x+5

i)f(1)=5(1)²-4×1+5

= 5-4+5

= 10-4

= 6

ii)f(-1)=5(-1)²-4(-1)+5

= 5+4+5

= 14

iii)f(0) = 5×0-4×0+5

= 5

Now,

f(1)+f(-1)+f(0)

= 6+14+5

= 25

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