Function Composition Worksheet

Evaluate a composition of two functions by substituting the inner function first.

Math9th Grade10th Grade

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01 Evaluate each function.

Solve each problem, then check your answers.

1. If f(x)=x+85 and g(x)=2x, find f(g(5)).
2. If f(x)=x+92 and g(x)=2x, find f(g(8)).
3. If f(x)=x+2 and g(x)=2x, find f(g(11)).
4. If f(x)=x+9 and g(x)=2x, find f(g(14)).
5. If f(x)=x+16 and g(x)=2x, find f(g(17)).
6. If f(x)=x+23 and g(x)=2x, find f(g(20)).