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Mathematics
9th -
10thgrade
Module 14 Geometric Sequences and Exponential Functions
20 questions
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- 1. Multiple ChoiceWhat is
f(x)= –2(4)x
evaluated for x = 3-128-1/128-5121/512 - 2. Multiple ChoiceWhat is
f(x)= (8)x
evaluated for x = 0-8018 - 3. Multiple ChoiceWhat is (-4)3-64-1/641/6464
- 4. Multiple ChoiceWhat is (5)-3-125-1/1251/125125
- 5. Multiple ChoiceWhat is the common ratio for the sequence?
32, 16, 8, 4, ...-2-½½2 - 6. Multiple ChoiceWhat is the common ratio for the sequence?
2, 6, 18, 54, ...-2-1/2⅓3 - 7. Multiple ChoiceA ball is dropped from a height of 18 feet. The function f(x)=18(0.5)x gives the height in feet of each bounce, where x is the bounce number. What will be the height of the third bounce to the nearest tenth of a foot?27 ft2.25 ft1.1 ft0.5 ft
- 8. Multiple ChoiceDescribe the Function shownConstantIncreasingDecreasing
- 9. Multiple ChoiceDescribe the Function shownConstantIncreasingDecreasing
- 10. Multiple ChoiceThe equation
y = 4x+ 2
is an example of an exponential functionTrueFalse - 11. Multiple ChoicePick the equation that represents an exponential function.f(x) = 3x + 2f(x) = 3x2f(x) = 3(2)xf(x) = x3+ 2
- 12. Multiple ChoiceWrite the equation of the exponential function through the two points (1,6), and (2, 12).
(Hint: Make a table)f(x) = 3(1/2)xf(x) = 2(6)xf(x) = 3(2)xf(x) = 2(3)x - 13. Multiple ChoiceWrite the equation of the exponential function through the two points (1,24), and (2, 8).
(Hint: Make a table)f(x) = 72(1/3)xf(x) = 24(3)xf(x) = 24(1/3)xf(x) = 72(3)x - 14. Multiple ChoiceFind the "a" term in the exponential equation.
y = 7(3)x37 - 15. Multiple ChoiceFind the "b" term in the exponential equation.
y = 5(2)x25 - 16. Multiple ChoiceDescribe the end behavior of the given graph as x → ∞, y → ?-∞0∞
- 17. Multiple ChoiceDescribe the end behavior of the given graph as x → - ∞, y → ?-∞0∞
- 18. Multiple ChoiceDescribe the shift f(x) = 3x – 8 from the parent function g(x) = 3xup 8 unitsdown 8 units
- 19. Multiple ChoiceDescribe the shift f(x) = 3x + 2 from the parent function g(x) = 3xup 2 unitdown 2 unit
- 20. Multiple ChoiceDescribe the shift f(x) = 4(3)x from the parent function g(x) = 3xVertical StretchVertical Compression
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