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Find f(g(x)) if f(x) = 2x-5 and g(x) = 3x+4 a. 5x-1 b.6x-20 c.6x+3 d.5x+9
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3 votes
Find f(g(x)) if f(x) = 2x-5 and g(x) = 3x+4

a. 5x-1
b.6x-20
c.6x+3
d.5x+9

User Heraldmonkey
by
7.9k points

1 Answer

6 votes
Put g(x) instead of x
f(x) = 2x - 5
f(g(x)) = 2(g(x)) - 5
f(g(x)) = 2(3x + 4) - 5
f(g(x)) = 6x + 8 - 5
f(g(x)) = 6x + 3

Option C)
User Leguman
by
8.0k points
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