Question

PLEASE HELP ME,I’ve been trying all morning
If f(x)= x^2 + 2x + 5, what is f(x + 3)?

Answer 1

you sure its not f(x+3) ?

Explanation:

Answer 2

Explanation:

f(x) = x² + 2x + 5

f(x+3) = (x+3)² + 2(x+3) + 5

 = (x²+6x+9) + (2x+6) + 5

 = x² + 8x + 20