Question

Evaluate the function for x=-c if c=-2. f(x)=-3x^2-4x

Answer 1

if x=-c and c=-2

then what is x equal to?

Answer 2

Sorry its x=-4c if c=-2

Answer 3

same question, just now with x = -4c and c = -2

Answer 4

x=8
f(8)
Solve

Answer 5

x=-4(-2)=8
f(8) = -3*8^2-4*8=-224