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Let f(x)=-3x-4 and g(x)=2x-6. Find (f ° g) (-7) A. 28 B. -20 C. 17 D. 56

Let f(x)=-3x-4 and g(x)=2x-6. Find (f ° g) (-7) A. 28 B. -20 C. 17 D. 56
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Let f(x)=-3x-4 and g(x)=2x-6. Find (f ° g) (-7)

A. 28

B. -20

C. 17

D. 56

asked
User Ntimes
by
7.0k points

1 Answer

3 votes
f(x)=-3x-4
g(x)=2x-6

(f°g)(x) = -3(2x-6)-4= -6x +18

(f°g)(-7)=-6*(-7) +18 = 42+18=60
answered
User Kerek
by
8.2k points
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