Ben1Dover Ben1Dover

11-09-2020
Mathematics

contestada

given the functions: f(x) = x+4 and g(x) = x-3 what is (f*g)(x)? A. x2+3x+12 B. x2+x+12 C. x2+4x-12 D. x2+x-12

Respuesta :

oscar236 oscar236

11-09-2020

Answer:

D. x^2 + x - 12.

Step-by-step explanation:

(f*g)(x) = (x + 4) * (x - 3)

= x(x - 3) + 4(x - 3)

= x^2 - 3x + 4x - 12

= x^2 + x - 12.

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