Question

If f(x) = x2 + 3x + 1, what is f(x + 2)?

Answer 1

Explanation:

x2+3x+1

f(x+2)= 2x+3x+1

=5x+1

Answer 2

- f(X+2) = x^2 +7x +11

Explanation:

- f(X) = x^2 +3x+1

- f(X+2) =(X+2)^2 + 3(X+2) + 1

- f(X+2) = x^2 + 4x + 4 + 3x + 6 +1

- f(X+2) = x^2 +7x +11