Question

the value of f ( x) = 5 x -4 x² + 3 when x =-1 is

a) -6 b) 6 c) 4 d) 0​

Answer 1

Answer:

5x - 4x^2 + 3

5(1) - 4(1×1) + 3

5 -4 +3

1+3 = 4

correct option is c) 4