Question

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

Answer 1

Answer:

f(x) = 5x−4x2+3

if x=-1

f(-1)= 5×-1 -4×-1² +3

= -5 +4 +3

= 2

Answer 2

Step-by-step explanation:

x = -1

f(x) = 5x-4x^2+3

f(-1) = 5*(-1)-4*(-1)^2+3

= -5-4*1+3

= -5-4+3

= -6