Algebra 2 Unit 7 Lesson 9

14) Find the equation of the circle with center (-2,5) and radius 5

(x+2)'2+(y-5)'2=25

11) Find the composition of the function.

1/x +5

10) Find the composition of the function.

1/x+5

2) Choose the best answer. In general, the composition of functions is not ___.

Commutative

1) Choose the best answer. When we compose functions, we must make sure that the output of the first function is part of the ___ of the second function.

Domain

3) Choose the best answer. We expect to see a ___ for the graph of a composition of a function and its inverse function, if the domain of each is all real numbers.

Line

6) Find the composition of the function.

x'-1/2

7) Find the composition of the function.

x'-1/2

4) Find the composition of the function.

x'1/6

5) Find the composition of the function.

x'1/6

15) Find the product (x+3)'3

x'3+9x'2+27x+27

8) Find the composition of the function.

x'6

9) Find the composition of the function.

x'6

12) Find the composition of the function.

x-3

13) Find the composition of the function.

x-6(square root) x =9