Exponential Functions- Growth and Decay

Flashcard
•
Mathematics
•
9th Grade
•
Hard
+3
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15 questions
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1.
FLASHCARD QUESTION
Front
What does the 'a' represent in an exponential function?
Back
Y-INTERCEPT
Tags
CCSS.HSF-IF.C.7E
2.
FLASHCARD QUESTION
Front
What function can be used to determine the monthly cell phone sales x months after January if sales increase at a rate of 3.75% per month?
Back
f(x) = 417(1.0375)ⁱ
Tags
CCSS.HSF.LE.A.2
3.
FLASHCARD QUESTION
Front
How would you write the decay factor for a population decreasing at a rate of 5%?
Back
.95
Tags
CCSS.HSF-IF.C.8B
4.
FLASHCARD QUESTION
Front
Which function can be used to determine the number of deer in a population decreasing by 1.5% per year?
Back
y = 1500(1 - 0.015)ⁱ
Tags
CCSS.HSF.LE.A.2
5.
FLASHCARD QUESTION
Front
What is the general form of an exponential growth function?
Back
f(x) = a(1 + r)ⁱ, where 'a' is the initial amount and 'r' is the growth rate.
Tags
CCSS.HSF-IF.C.8B
6.
FLASHCARD QUESTION
Front
What is the general form of an exponential decay function?
Back
f(x) = a(1 - r)ⁱ, where 'a' is the initial amount and 'r' is the decay rate.
Tags
CCSS.HSF-IF.C.8B
7.
FLASHCARD QUESTION
Front
If a population of 1000 decreases by 10% each year, what is the decay factor?
Back
.90
Tags
CCSS.HSF-LE.A.1C
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