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WorksheetsLesson 14 Quiz
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
a)
f(x)=4x+50
b)
f(x)=4x+54
c)
f(x)=50x+4
d)
f(x)=54x+4
2.
This function represents the value, in dollars, of a particular model of car, where x represents the number of miles driven:
f(x)=−50x+25,000
What is the average rate of change in the value of the car in dollars per mile?
f(x)=−50x+25,000
What is the average rate of change in the value of the car in dollars per mile?
a)
-25,000
b)
-50
c)
50
d)
25,000
3.
Mr. Yair’s class is collecting aluminum cans to raise money for a trip. The rates are shown.
$0.75 per pound for a collection weighing 10 pounds or less
$1.25 per pound for a collection weighing more than 10 pounds
What are the domain and range for a collection that weighs more than 10 pounds?
$0.75 per pound for a collection weighing 10 pounds or less
$1.25 per pound for a collection weighing more than 10 pounds
What are the domain and range for a collection that weighs more than 10 pounds?
a)
{x|x<10}; {y|y<$12.50}
b)
{x|x<10}; {y|y<$7.50}
c)
{x|x>10}; {y|y>$12.50}
d)
{x|x>10}; {y|y>$7.50}
4.
The amount Keisha can earn at her job is shown.
$7 per hour up to 40 hours per week
1.5 times the hourly wage for every hour over 40
Which piecewise-defined function best represents Keisha’s weekly pay, P(h), where h represents the hours worked?
$7 per hour up to 40 hours per week
1.5 times the hourly wage for every hour over 40
Which piecewise-defined function best represents Keisha’s weekly pay, P(h), where h represents the hours worked?
a)
P(h)= 7h, 0≤h≤40
P(h)=10.5h+140, h≥40
P(h)=10.5h+140, h≥40
b)
P(h)=7h, 0<h<40
P(h)=10.5h+140, h≥40
P(h)=10.5h+140, h≥40
c)
P(h)=7h, 0<h<40
P(h)= 10.5h−140, h>40
P(h)= 10.5h−140, h>40
d)
P(h)= 7h, 0≤h≤40
P(h)= 10.5h−140, h>40
P(h)= 10.5h−140, h>40
5.
The piecewise-defined function f(x) is shown.
f(x)=x+2, x≤0
f(x)=4x, x>0
What is f(−3)?
f(x)=x+2, x≤0
f(x)=4x, x>0
What is f(−3)?
a)
-12
b)
-1
c)
5
d)
12
6.
The graph of f(x) is shown. What is the range for the domain x<−2?
a)
{y|y<−2}
b)
{y|y>−2}
c)
{y|y≤2}
d)
{y|y≥2}
7.
The graph of f(x) is shown. What is the slope of the segment of f(x) with the greatest rate of change?
a)
1 ∕ 6
b)
3 ∕ 5
c)
1
d)
6
8.
The graphs of f(x) and g(x) are shown. How do the ranges of f(x) and g(x) compare?
a)
Both functions have the same range.
b)
Both functions have 4 as a value in the range.
c)
Both functions have 0 as a value in the range.
d)
Both functions have a range of all real numbers.
9.
The piecewise-defined function f(x) and the function g(x) are shown. How do the functions f(x) and g(x) compare?
a)
Both functions have the same y-intercept.
b)
Only f(x) is piecewise defined.
c)
f(x) and g(x) have the same range.
d)
The graph of both functions consists of two rays.
10.
a)
$100
b)
$125
c)
$300
d)
$1,500
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