Question

Use the function to evaluate the indicated expressions and simplify.
f(x) = -8x^2 + 2
f(x + 2) = _____
f(x) + f(2) = _____

Answer 1

f(x+2) = -8(x+2)^2 +2= -8[x^2+4x+4]+2=-8x^2 -32x-30

f(x)+f(2)= -8x^2 +2 -32+2 =-8x^2-28