Unit Test — Unit test Answers
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21
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The standard diameter of a golf ball is 42.67 mm. A golf ball factory does quality control on the balls it manufactures. Golf balls are randomly measured to ensure the correct size. One day, an inspector decides to stop production if the discrepancy in diameter is more than 0.002 mm. Which function could represent this situation?
A
f(x ) = x – |42.67|B
f(x ) = |x| – 42.67C
f(x ) = |42.67 – x|D
f(x ) = 42.67 – |x|22
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Given the equation what is the value of x?
A
x = y w + y minus 1
B
x = 2 y w + y minus 1
C
x = 2 y w + y minus 2
D
x = 4 y w + 2 y minus 2
23
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
24
Which statement is true about ?
A
The graph of f(x) has a vertex of (–4, 6).B
The graph of f(x) is a horizontal stretch of the graph of the parent function.C
The graph of f(x) opens upward.D
The graph of f(x) has a domain of x –6.
25
The value, V(m), of a comic book m months after publication has an average rate of change of –0.04 between m = 36 and m = 60. Which statement must be true?
A
The value of the comic book decreased by a total of $0.04 between m = 36 and m = 60.B
The value of the comic book increased by a total of $0.04 between m = 36 and m = 60.C
The value of the comic book decreased by an average of $0.04 each month between m = 36 and m = 60.D
The value of the comic book increased by an average of $0.04 each month between m = 36 and m = 60.Did you find these answers helpful?
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