Construct Functions from Word Problems

Quiz
•
Mathematics
•
8th Grade
•
Hard
+4
Standards-aligned
Anthony Clark
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A particular type of cell triples in number every hour. Which function can be used to find the number of cells present at the end of h hours if there are initially 6 of these cells?
f(h) = 3(6)h
f(h) = 6xh
f(h) = 6(3)h
f(h) = 3(6h)
Tags
CCSS.HSF.LE.A.2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The amount of cola in a soda machine decreases by a rate of 5% each hour. The amount of cola in the machine was originally 75 gallons. Which function models the amount of cola in gallons after h hours?
f(h) = 75(-5)h
f(h) = -5(75)h
f(h) = .95(75)h
f(h) = 75(.95)h
Tags
CCSS.HSF.LE.A.2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Write an exponential function to model the situation. Then solve. The cost of tuition at a college is $12,000 and is increasing at a rate of 6% per year. Which equations represents this situation?
C(t) = 1.06(12000)t
C(t) = 12000(.06)t
C(t) = 12000(.06)t
C(t) = 12000(1.06)t
Tags
CCSS.HSF.LE.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Write an exponential function to model the situation. You invest $1500. Your investment increases at a rate of 3.5%.
B(t) = 1500(0.965)t
B(t) = 1500(1.035)t
B(t) = 1500(.035)t
B(t) = 1500(1.965)t
Tags
CCSS.HSF.LE.A.2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6.
DRAG AND DROP QUESTION
1 min • 1 pt
A pizza shop charges $2.50 for a slice of cheese pizza and an additional $0.50 for each topping. Complete the linear function to show how much money (y) it costs to buy a slice of pizza with x toppings.
y = (a) x + (b)
0.5
2.50
1.00
1.50
2.00
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
$33
$40
$47
$53
Tags
CCSS.HSF.IF.A.2
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