Multiplying Polynomials and Simplifying Expressions — Unit test Answers
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1
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A
Both the domain and range of the transformed function are the same as those of the parent function.B
Neither the domain nor the range of the transformed function are the same as those of the parent function.C
The range of the transformed function is the same as the parent function, but the domains of the functions are different.D
The domain of the transformed function is the same as the parent function, but the ranges of the functions are different.2
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Which equation is the inverse of y = 7x2 – 10?
A
y = StartFraction plus-or-minus StartRoot x + 10 EndRoot Over 7 EndFraction
B
y = plus-or-minus StartRoot StartFraction x + 10 Over 7 EndFraction EndRoot
C
x = plus-or-minus StartRoot StartFraction x Over 7 EndFraction + 10 EndRoot
D
y = StartFraction plus-or-minus StartRoot x EndRoot Over 7 EndFraction plus-or-minus StartFraction StartRoot 10 EndRoot Over 7 EndFraction
3
A publicist is promoting a new record. The table below represents the plan for providing promo codes for free downloads of a single from the record, f(x), in tens of thousands of codes depending on the time since posting, x, in days.
A
Their difference is the number of the most promo codes in a single day.B
Their sum is the total number of days the number of codes increased.C
Their sum is the total number of promo codes the publicist is releasing before the new record.D
Their difference is the number of days the first promo codes were released before the new record.4
What is the rate of increase for the function f(x) = ?
A
One-third
B
2
C
4D
4
5
Which graph shows a function with a range of all real numbers greater than or equal to –1?
A
OptionB
OptionC
OptionD
Option6
Which is equivalent to ?
A
3B
6C
9D
127
The graph of an exponential function and a linear function are shown below. Exponential Linear Which statement is true about the functions?
A
The exponential function is generally growing slower than the linear function.B
The exponential function is generally growing faster than the linear function.C
The linear function is generally growing faster than the exponential function.D
The exponential function and the linear function are generally growing at the same rate.8
All points of the step function f(x) are graphed.
A
−3, −2, −1, 0, 1B
−2, −1, 0, 1C
all real numbers such that −3 < y ≤ 1D
all real numbers such that −2 < y ≤ 1Did you find these answers helpful?
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