If a table's pattern is that the f(x) values are being divided by 3, what is the common ratio?
3
-3
1/3
-1/3
3. Multiple Choice
1 minute
1 pt
What is the y-intercept of the function?
2
3
1
-2
4. Multiple Choice
1 minute
1 pt
Write an equation that models the following situation: Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.
y=6(0.14)x
y=6(1+14)x
y=6(1.14)x
y=6(0.86)x
5. Multiple Choice
5 minutes
1 pt
What type of function is y = 7(5/4)x?
Exponential Growth
Exponential Decay
Linear
None of the above
6. Multiple Choice
1 minute
1 pt
Which of the following functions shows an initial amount of $15 and an increase of 35% each year?
y = 15(35)x
y = 15(1.35)x
y = 15(0.35)x
y = 35(1.15)x
7. Multiple Choice
1 minute
1 pt
What is the common ratio for the sequence: 28, 14, 7, 3.5...
2
1/2
-14
-7
8. Multiple Choice
3 minutes
1 pt
What is the common ratio for the sequence: 3, 15, 75...
12
1/5
5
9. Multiple Choice
5 minutes
1 pt
What is the explicit rule for the sequence: 11, 22, 44, 88...
an = 2(11)n-1
an = 11x2
an = 11(2)n-1
10. Multiple Choice
1 minute
1 pt
Identify the y-intercept (initial value) in the function f(x)=13(.27)x
(.27)x
.27
13
3.51
11. Multiple Choice
1 minute
1 pt
Identify the y-intercept (initial value) of the function f(x)=2(4)x.
2
4
(2)x
8
12. Multiple Choice
1 minute
1 pt
Identify the common ratio (multiplier) of the function f(x)=2(4)x.
2
4
(2)x
8
13. Multiple Choice
1 minute
1 pt
Is the pictured graph growth, decay, or linear or none?
Growth
Decay
Linear
None
14. Multiple Choice
1 minute
1 pt
Is the pictured graph growth, decay, or linear or none?
Growth
Decay
Linear
None
15. Multiple Choice
5 minutes
1 pt
Simplify the exponential expression:
10x-2
2x2
2x12
10x12
16. Multiple Choice
5 minutes
1 pt
Simplify the following exponential expression: (3x4)(5x3)