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Find f(g(3)) and g(f(-2)). f(x)=x²-1 and g(x)=2x-3
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8 votes
Find f(g(3)) and g(f(-2)).
f(x)=x²-1 and g(x)=2x-3

Find f(g(3)) and g(f(-2)). f(x)=x²-1 and g(x)=2x-3-example-1
User Pragnesh Vaghela
by
8.0k points

1 Answer

9 votes

Answer:

1. 8

2. 3

Explanation:


f(g(3)) \\= f(2(3)-3))\\=f(3)\\=3^2-1\\= 9-1\\=8\\\\g(f(-2))\\= g((-2)^2-1)\\=g(4-1)\\=g(3)\\=2*3-3\\=3

User Tegan Snyder
by
6.7k points
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