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- 1. Multiple Choice
In an exponential function, what does the 'a' represent?SLOPERATE OF CHANGEY-INTERCEPTCOMMON RATIO - 2. Multiple ChoiceWhat is b, the common ratio, for the function: f(x) = 300(1.16)x?3001.16.16x
- 3. Multiple ChoiceA population of 2200 beetles is too large to sustain and decreases in population each month at a rate of 5%. How would you write your decay factor, b?-5-.05.95.05
- 4. Multiple ChoiceWhich of the following functions shows an initial amount of $15 and an increase of 35% each year?y = 15(35)xy = 15(1.35)xy = 15(0.35)xy = 35(1.15)x
- 5. Multiple ChoiceClassify the model as Exponential GROWTH or DECAY.
A=1200(.85)6GrowthDecay - 6. Multiple ChoiceClassify the model as Exponential GROWTH or DECAY.
A=10(1.01)3GrowthDecay - 7. Multiple ChoiceWhat is the decay rate in the following model?
A=1200(.85)6-1200-.156-6 - 8. Multiple ChoiceIs the pictured graph growth, decay, or linear or none?Exponential GrowthExponential DecayLinearNone
- 9. Multiple ChoiceWhat type of function is y = 7(5/4)x?Exponential GrowthExponential DecayLinearNone of the above
- 10. Multiple ChoiceIs this exponential growth or decay?GrowthDecay
- 11. Multiple ChoiceJames' 70 in. giant peach doubles in size every week. Write an expression that would represent how big the peach is after 5 weeks.70(2)3570(2)52(70)55(70)2
- 12. Multiple ChoiceWrite 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)xy=6(1+14)xy=6(1.14)xy=6(0.86)x - 13. Multiple ChoiceWhat is the horizontal asymptote of the exponential function?y=-3x=-3y=1x=1
- 14. Multiple ChoiceFind the range of the exponential graph.All real numbers less than 0All real numbers greater than 0All real numbers less than or equal to 0All real numbers greater than or equal to 0
- 15. Multiple ChoiceIdentify the domain of this exponential function?All real numbersAll real number greater than or equal to 0All real numbers greater than 0All real numbers less than or equal to 1
- 16. Multiple ChoiceIdentify the range of the function shown here.All real numbers greater than 3All real numbers greater than or equal to 3All real numbers less than 3All real numbers less than or equal to 3
- 17. Multiple ChoiceWhich of the following is a true statement about the two exponential graphs shown?The domain of f(x) is different from the domain of g(x)g(x) has a horizontal asymptote that is lower than the asymptote of f(x)The graphs have the same initial valueThe graphs have a different x-intercept
- 18. Multiple ChoiceWhat is the y-intercept of the function?231-2
- 19. Multiple Choice
Determine if the graph represents growth or decay. Also determine the y-intercept.
decay, 5
decay, 1
growth, 5
growth, 1
- 20. Multiple Choice
Which of the graphs below represents y = 6(2)x?
- Answer choicesTagsAnswer choicesTags