Which graph represents the following piecewise defined function?
mc005-1.jpg
answer
D) mc005-5.jpg
question
Which of the functions graphed below is continuous?
answer
B) mc019-2.jpg
question
A cell phone company charges by the minute (and partial minute) for a phone call. Arionna's plan includes 300 minutes in the $20 base cost. If she uses more than 300 minutes, there is a $5 overage fee and an additional charge of $0.25 per minute. Which graph represents the cost of her plan per minute, where x represents the minutes used and y represents the cost?
answer
A) mc014-1.jpg
question
The cheer squad is ordering small towels to throw into the stands at the next pep rally. The printing company has quoted the following prices. Which function defined below represents the cost of a towel order?
"Growl" Towel Price Quote
Number of towels ordered
Cost per towel
First 20 towels
$5.00
For each towel over 20
$3.00
answer
D) mc016-4.jpg
question
The piecewise function f(x) is graphed below. What is the value of f(2)?
mc010-1.jpg
answer
B) f(2) = -1
question
Which rules define the function graphed below?
mc002-1.jpg
answer
A) mc002-2.jpg
question
Which graph represents the following piecewise defined function?
mc007-1.jpg
answer
B) mc007-3.jpg
question
A country is considering two income tax rates. Geoffrey is comparing what his tax bill would be under each plan. Under plan A, he pays 5% on the first $10,000. The next $85,000 is taxed at a rate of 10%. Any money earned above $95,000 is taxed at 15%. He made $98,000 last year. Which statement below is correct?
Plan A Tax Rates
x mc018-1.jpg $10,000
5%
$10,000 mc018-2.jpg x mc018-3.jpg $95,000
10%
x > $95,000
15%
Plan B Tax Rates
All levels of income
10%
answer
NOT C
question
Which of the functions graphed below has a removable discontinuity?
answer
NOT A
(C) mc020-3.jpg)
question
The piecewise function f(x) is graphed below. What is the value of f(5)?
mc011-1.jpg
answer
A) f(5) = -1
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