Question

Let f(x) = -4x + 7 and g(x) = 2x - 6. Find. (gxf)(1)

Answer 1

(gxf)(1) = - 12

Explanation:

Let f(x) = -4x + 7 and g(x) = 2x - 6.

(gxf)(1) = g(1)xf(1)

but : f(1) = -4(1)+7 =7-4 = 3 and g(1)=2(1)-6 =2-6 = -4

so : (gxf)(1) = g(1)xf(1) = (-4)(3)=-12