Representing and Interpreting Functions
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A business manager has a starting annual salary of $42,000. Each year, the business manager will get a salary increase of 5.5%. Which function represents the business manager's salary, S, after t years?
Tags
CCSS.HSF.LE.A.2
2.
MULTIPLE SELECT QUESTION
1 min • 5 pts
A canoe rental service charges a $20 transportation fee and $30 dollars an hour to rent a canoe. Write an equation representing the cost, y, of renting a canoe for x hours. What is the cost of renting the canoe for 6 hours?
200
y= 30x + 20
x + 30y -20
160
Tags
CCSS.HSF-BF.A.1A
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A plant is 5cm tall and growing at a rate of 3cm a month. Let x represent months and f(x) represent the height of the plant after x months. Write a function that represents the situation. DO NOT TYPE ANY SPACES
Tags
CCSS.HSF-BF.A.1A
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A man is climbing down from 100 feet high at a rate of 30 feet per minute.
f(x) = - 30x + 100
f(x) = 30x + 100
f(x) = 100x + 30
Tags
CCSS.HSF-BF.A.1A
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Eduardo had eight dollars, then he started to save a dollar a week. Which equation can be used to find how much money Eduardo will have at the end of the month?
y = 1 + 8
y = 8x
y = x + 8
y = 8/x
Tags
CCSS.HSF-BF.A.1A
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
A babysitter’s earnings e are a function of the number of hours n worked at a rate of $7.25 per hour.
e = 7.25-n
e = 7.25n
Tags
CCSS.HSF-BF.A.1A
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A man is climbing down from 100 feet high descending 30 feet per minute. Which function models his descent?
y = 100 - 30x
y = 100 + 30x
y = 100x + 30
y = 100x - 30
Tags
CCSS.HSF-BF.A.1A
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