Question

If f(x) = 2x + 7 and g(x) = 3x - 6, then what is (f + g)(x)?

Answer 1

9514 1404 393

Answer:

(f+g)(x) = 5x +1

Explanation:

Substitute the given expressions and simplify.

(f+g)(x) = f(x) +g(x)

(f+g)(x) = (2x +7) +(3x -6) = (2x +3x) +(7 -6)

(f+g)(x) = 5x +1