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If f(x) = 8- 10x and g(x) = 5x + 4, what is the value of (fg) (-2)? O -196 O -168 O 22 O 78
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If f(x) = 8- 10x and g(x) = 5x + 4, what is the value of (fg) (-2)?

O -196
O -168
O 22
O 78

User Factor Mystic
by
5.2k points

1 Answer

7 votes
F(g(x)) = 8-10(5x+4)
= 8-50x-40
= -50x-32
So F(g(-2)) = -50(-2)-32
= 100-32
= 68
I think the choices are wrong.
User Roledenez
by
5.4k points
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