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Exponential Math Lib

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Last updated almost 2 years ago
14 questions
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Question 7
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Question 14
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A new fitness center had 350 members in its first year. The number of members increased by 14% each year thereafter. Find the approximate number of members after 8 years.
972
929
941
955
998
Lyle bought a baseball card for $800. If the value of the card decreased by 1.5% each year, find the value of the card after 12 years.
$615.92
$667.31
$697.14
$642.85
$683.72
In 2012, William bought a new boat for $28,500. If the value of the boat depreciates by 8% each year. Find the value of the boat in 2018
$17, 281.12
$16,850.10
$18,995.23
$20,884.02
$19,274.98
Caroline's resting heart rate is 52 beats per minute (bpm). When she starts running, her heart rate increases by 1.25% each second until it reaches her maximum heart rate of 175 bpm. Find her approximate heart rate after 30 seconds.
82.1 bpm
75.5 bpm
77.1 bpm
80.8 bpm
84.6 bpm
There were 200,000 animals of a certain species in 1980. Since then, this number has decreased by 4.5% each year. Approximately how many animals of this species will be left in 2025?
28,562
20,754
27,043
25,187
23, 492
The number of subscriptions to an interior design magazine was 16,450 in 1996. Since then, the number of subscriptions has increased by 9.2% each year. Find the approximate number of subscriptions in 2018.
97,495
119,263
114,042
102,984
108,751
When Brad was born, his grandma put $1,500 in a new account for him. Since then, the balance of the account has grown by 6.5% each year with no other deposits or withdrawals. Now Brad is 18 and can withdraw the money. I f he decides to wait until his 21st birthday, how much more money will be in the account?
$925.77
$992.36
$969.04
$860.28
$892.51
Tina Bought a painting while on vacation in 2009. The table below shows the value of the painting in 2009,2010, and 2011. If this trend continues, what will be the value of the painting in 2030?

$2,279.55
$2,044.19
$1,915.42
$2,103.73
$2,424.28
At 5:00 p.m., Vera took 400 milligrams of medicine to help relieve her headache. The table below shows the amount of medicine in her system at different hours. If this pattern continues, find the approximate amount of medicine in her system when she wakes up at 7:00am the next morning.

61.7 mg
70.3 mg
68.9 mg
64.2 mg
67.5 mg
Ray invested $300 in Stock A and $750 in Stock B. SInce then, the value of Stock A has increased by 15% each year and the value of Stock B has decreased by 12% each year. After 4 years, which statement is true regarding the value of his investments?
Stock B is worth $74.93 more than Stock A.
Stock A is worth $55.15 more than Stock B.
Stock B is worth $55.15 more than Stock A.
Stock A is worth $74.93 more than Stock B.
Use LISTS & SPREADSHEETS and find the exponential function for this table.
Remember (Menu 4,1,A)

find the
a value
b value




Find the correct exponential function.
Find the correct exponential function.
Find the correct exponential function.