Practice Test

Question 1

Which statements can be used to accurately compare the functions? Choose two correct answers.

Revolt · Accepted Answer

B: All three functions have a  y -intercept.; D: The domain of all three functions is the same.; E: f of x  has the greatest maximum.

Question 2

Which statement accurately compares the functions on the graph?

Revolt · Accepted Answer

D: The absolute value and square root function share an  x -intercept.

Question 3

Which statement best compares the graphs of f of x is equal to lfloor x rfloor and f of x is equal to lceil x rceil ?

Revolt · Accepted Answer

B: The graph of  f of x is equal to lceil x rceil  is shifted up compared to the graph of  f of x is equal to lfloor x rfloor , and the open and closed circles are reversed.

Question 4

Which of the following describes the graph of y is equal to lfloor x minus 2 rfloor ?

Revolt · Accepted Answer

D: The graph has closed circles on the left of each step and open circles on the right and includes the step  y is equal to negative 4  for  negative 2 is less than or equal to x comma x is less than negative 1 .

Question 5

Which of the following is the graph of f of x is equal to 3 start absolute value x minus 4 end absolute value plus 1 ?

Revolt · Accepted Answer

D: Image with description On a coordinate plane, the scale on the x axis ranges from negative 1 to 9 in increments of 1, and the scale on the y axis ranges from negative 3 to 7 in increments of 1. The V-shaped graph opening upward has a vertex at (4 comma 1) and the graph passes through the points (3 comma 4) and (5 comma 4).

Question 6

Which statement is true about f of x plus 2 is equal to 1 sixth start absolute value x minus 3 end absolute value ?

Revolt · Accepted Answer

C: The graph of  f of x  has range of  f of x is greater than or equal to negative 2 .

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