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20 votes
20 votes
F (x) = 2x-1 and g (x) = x+2. Find f(g(x))

User SolarBear
by
2.6k points

2 Answers

28 votes
28 votes

Answer:

2x+3

Explanation:

so first you plug in g(x) in for x in f(x). this is how it will look like

2(x+2)-1

then you distribute the 2 in both terms in the parenthesis.

2(x)+2(2)-1

after that, you multiply them and you will get this

2x+4-1

subtract 4 and 1 and this is your answer

2x+3

User DominikHelps
by
3.2k points
12 votes
12 votes

Answer:2x^2+3x-2

Explanation:

2x-1*x+2=2x^2+3x-2

User Nastia
by
2.9k points