Question

C(x)=2x^2-4x-3 find c(-4)

Answer 1

45

Explanation:

c(-4) = 2(-4)² - 4(-4) - 3

= 2(16) + 16 - 3

= 32 + 13

= 45

Answer 2

45

Explanation:

c(x)=2x^2-4x-3

Let x= -4

c(-4)=2(-4)^2-4(-4)-3

= 2(16) +16-3

=32+16-3

45