blessedmom1
contestada

Suppose that the functions g and h are defined for all real numbers as follows:
g(x)=3x+5
h(x)=6x

Write the expressions for (h+g)(x) and (h-g)(x)and evaluate (h*g)(2).

Respuesta :

(h+g)(x) = 3x + 5 + 6x = 9x + 5Answer

(h - g)(x) = 6x - (3x + 5) =  3x- 5 Answer

(h*g)(x) =  6x(3x + 5) = 18x^2 + 30x

(h*g)(2) = 18(4) + 30(2) =  72 + 60 = 132 Answer