Exponential Functions and Logarithms Test Review

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
+2
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an exponential function?
Back
An exponential function is a mathematical function of the form f(x) = a * b^x, where a is a constant, b is the base (a positive real number), and x is the exponent.
2.
FLASHCARD QUESTION
Front
What does APR stand for?
Back
APR stands for Annual Percentage Rate, which is the annual rate charged for borrowing or earned through an investment.
Tags
CCSS.7.RP.A.3
3.
FLASHCARD QUESTION
Front
How do you calculate compound interest?
Back
Compound interest can be calculated using the formula A = P(1 + r/n)^(nt), where A is the amount of money accumulated after n years, P is the principal amount, r is the annual interest rate (decimal), n is the number of times that interest is compounded per year, and t is the number of years.
4.
FLASHCARD QUESTION
Front
What is the effective interest rate?
Back
The effective interest rate is the interest rate on a loan or financial product restated from the nominal interest rate as an interest rate with annual compound interest.
5.
FLASHCARD QUESTION
Front
Evaluate log_5(25).
Back
log_5(25) = 2, because 5^2 = 25.
6.
FLASHCARD QUESTION
Front
What is the base of a logarithm?
Back
The base of a logarithm is the number that is raised to a power to obtain a certain value. For example, in log_b(a), b is the base.
Tags
CCSS.HSF.BF.B.5
7.
FLASHCARD QUESTION
Front
What is the difference between exponential growth and decay?
Back
Exponential growth occurs when a quantity increases at a rate proportional to its current value, while exponential decay occurs when a quantity decreases at a rate proportional to its current value.
Tags
CCSS.HSF-IF.C.8B
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