Unit Test — Unit test Answers
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If a(x) = 2x - 4 and b(x) = x + 2, which of the following expressions produces a quadratic function?
A
(ab)(x)B
(StartFraction a Over b EndFraction) (x)
C
(a – b)(x)D
(a + b)(x)22
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Edmundo used a number line to show the solution for the inequality . Which number line shows the solution?
A
Option
B
Option
C
Option
D
Option
23
Georgianna wants to use the linear model associated with the data in the table to make a prediction.
A
0 to 5 minutesB
0 to 18 minutesC
0 to 30 minutesD
18 to 30 minutes24
A factory produces 1,250,000 toys each year. The number of toys is expected to increase by about 150% per year. Which model can be used to find the number of toys, n (in millions), being produced in t years?
A
,
B
n = 1.5 t squared + 1.25
C
n = 1.5 t + 1.25
D
n = 1.25 times 2.5 Superscript t
25
If , what is ?
A
Option
B
Option
C
f Superscript negative 1 Baseline (x) = one-ninth x + 2
D
f Superscript negative 1 Baseline (x) = negative 2 x + one-ninth
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