WORKSHEET 7.4 INVERSE FUNCTIONS
Inverse Relations
Find the inverse for each relation.
1. { (1, -3), (-2, 3), (5, 1), (6, 4) } 2. { (-5, 7), (-6, -8), (1, -2), (10, 3) }
Finding Inverses
Find an equation for the inverse for each of the following relations.
3.
2x3y
4.
7x5y
5.
3x12y
6.
16x8y
7.
5x
3
2
y
8.
5x
4
3
y
9.
10x
8
5
y
10.
8x
2
1
y
11.
5xy 2
12.
4xy 2
13.
2
)3x(y
14.
2
)6x(y
15.
0y,2xy
16.
0y,5xy
17.
8y,8xy
18.
7y,7xy
Verifying Inverses
Verify that f and g are inverse functions.
19.
6x)x(g,6x)x(f
20.
5
2x
)x(g,2x5)x(f
21.
3
3
1
)(,93)( xxgxxf
22.
2
7x
)x(g,7x2)x(f
23.
2x
4
1
)x(g,8x4)x(f
24.
14x2)x(g,7x
2
1
)x(f
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