Question

The value of f(x) = 5x−4x2+3 when x = -1, is:

a. 3

b. -12

c. -6

d. 6

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Answer 1

Answer:

f*-1=5*-1-4*-1*2+3

f*-1=-5+8+3

f*-1=6

f=6/-1

f= -6

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