Garfield738 Garfield738

23-09-2015
Mathematics

contestada

Let f(x) = 4x+3 and g(x) = -2x+5

Find ( f )( g )(5)
a. 23
b. –41
c. –17
d. –5

Respuesta :

Panoyin Panoyin

23-09-2015

f(x) = 4x + 3
g(x) = -2x + 5

(f · g)(5) = (4(5) + 3)(-2(5) + 5)
(f · g)(5) = (20 + 3)(-10 + 5)
(f · g)(5) = (23)(-5)
(f · g)(5) = -115

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