13. 14. 17. 18. : Vocabulary and Core o sck OPEN Eeorn ceeh a enction WHICH ONE DOESNT BELONG? Which equation does nor t Monitoring

13.

14.

17.

18. : Vocabulary and Core o sck
OPEN Eeorn ceeh a
enction
WHICH ONE DOESNT BELONG? Which equation does nor t
Monitoring Progress and Modeling with Ma
weTNG Compre the grp ofy 25 with the graph o
2EASOONNG WAy e the y er raph of the
yo rew ng
USIN
funct
In Exercises 510, determine whether the equation
represents an exponential frnction. Explain.
5. y 4(7)
21. f
y
23.
6. y= -6r
8. y= -3r
A.
7. y= 2r
9. y 9(-5)
10. y=(1
In Exercises 11-14, determine whether the table
represents a linear or an exrponential function. Explain.
(See Example 1.)
11.
12.
y
y
-2
1
6
C.
3.
24
4
4
4.
48
-2
13.
2
3.
y
0.25
1
4
16
64
In Exercises
graph to the
domain and
14.
-3
6.
9.
y
10
1
-8
-17 -26
25. f(x) = 30
In Exercises 15-20, evaluate the function for the given
value of x. (See Example 2.)
15. y = 3*; x = 2
27. f(x) =
16. f(x) = 3(2)*; x = -1
17. y = -4(5)*; x = 2
29. f(x) =(8
18. f(x) = 0.5*; x = -3
19. flx) = (6)*; x = 3
20. y = (47: x =
In Exercises 31
domain
10
Chapter 6
Exponential Fun
12
3.