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WorksheetsFinal Review
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
Joanna has $625 in her checking account but plans to withdraw $78 each month for her share of the apartment utilities. Which function represents the balance of her checking account, B, after x months without considering other withdrawals?
a)
B = 78 – 625x
b)
B = 625(78)x
c)
B = 625 – 78x
d)
78x2 + 625x
2.
For the quadratic function y = a(bx – c)2 + d, which transformation will the parameter a produce?
a)
horizontal stretch or compression
b)
translation upward or downward
c)
vertical stretch or compression
d)
translation left or right
3.
a)
Linear
b)
Quadratic
c)
Cubic
d)
None of these
4.
Mikaela sells magazine subscriptions for children’s publications. Her base pay is $500 per month plus $1.25 on each subscription she sells. At the end of the month, 15% of her pay is deducted for income tax withholding. Which function, p(x), represents Mikaela’s monthly net pay after income tax withholding is deducted, where x is the number of subscriptions sold that month?
a)
p(x) = 500 + 1.25x
b)
p(x) = [0.15(500 + 1.25x)]
c)
p(x) = 500 + 1.25x + [0.15(500 + 1.25x)]
d)
p(x) = 500 + 1.25x – [0.15(500 + 1.25x)]
5.
a)
h(x) = f(x) – g(x)
b)
h(x) = f(x) + g(x)
c)
h(x) = g(x) – f(x)
d)
h(x) = g(x) + f(x)
6.
a)
h(x) = f(x)¸g(x)
b)
h(x) = f(x) + g(x)
c)
h(x) = g(x)¸f(x)
d)
h(x) = g(x) + f(x)
7.
Which of the following is not true about the quotient of two polynomial functions?
a)
A linear function divided by a quadratic function generates a rational function.
b)
A cubic function divided by a quadratic function generates a linear function.
c)
A quadratic function divided by a linear function generates a linear function
d)
A quadratic function divided by a cubic function generates a linear function.
8.
a)
f(x) = 25x + 45
b)
f(x) = 45x + 25
c)
f(x) = 25x – 45
d)
f(x) = 45x – 25
9.
a)
exponential, common ratio = 0.67, y = 0.67(240)x
b)
exponential, common ratio = 1.5, y = 240(160)x
c)
exponential, common ratio = 1.5, y = 240(1.5)x
d)
not an exponential function
10.
a)
y = 5x2 – 7
b)
y = 5x2 + 7
c)
y = x2 - 7x
d)
y = x2 + 7x
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