Quiz on Exponential Functions

Quiz
•
Mathematics
•
11th Grade
•
Medium
Maria Valiente
Used 7+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
10 yrs
11 yrs
12 yrs
7 yrs
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Write an equation that models Bruno’s investment showing how much money, 𝐴, in dollars will be in his retirement account in 𝑡 years.
18200 = 𝑃𝑒(6.71∙11)
18200 = 𝑃𝑒(0.0671∙12)
A = 18200𝑒(0.0671∙11)
18200 = 𝑃𝑒(0.0671∙11)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the amount of the initial investment?
$8,200
$8,700
$7,800
$18,200
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What will the account balance be after 20 years?
$33,292.20
$31,292.20
$30,292.20
$23,292.20
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Stephannie borrowed $6,320 from a close friend at an annual simple interest rate of 8.5%. If she pays the entire loan off after 2 years, what is the total amount that she will repay?
0.085
$6320
$7394.40
$394.40
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
An industrial machine used in a soda company is said to depreciate so that its value 𝐴 after 𝑡 years is given by 𝐴 = 𝑃𝑒−0.27𝑡. If the machine is worth $59,000 after 10 years, what was its original value?
$877,904.17
$17,012.31
$59,000
$600,000
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Brianna invests a sum of money in a savings account with an annual interest rate of 5.21% compounded monthly. After 5 years, the balance reaches $4,538.97. What was the amount of the initial investment?
$1,500
$3,500
$2,000
$3,000
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manny invested $5,250 in a retirement account with a fixed annual interest rate compounded semi-annually. After 15 years, the balance reaches $26,165.74. What is the interest rate of Manny’s retirement account?
18%
5%
11%
9%
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