Step Functions

Question 1

Nina graphs the function y=⌊x⌋ to learn the properties of the parent floor function.What is the value of y when x=5.7?

Revolt · Accepted Answer

5

Question 2

The graph represents the parking fees at a mall parking lot.

Revolt · Accepted Answer

The total cost of 1 hour of parking is $2.

Question 3

What is the domain of the step function f(x) = ⌈2x⌉ – 1?

Revolt · Accepted Answer

{x| x is a real number}

Question 4

The graph represents f(x) = .

Revolt · Accepted Answer

1

Question 5

Which is the graph of the step function f(x)?f(x) =

Revolt · Accepted Answer

On a coordinate plane, a piecewise function has 3 lines. The first line has an open circle at (negative 1, negative 1) and continues horizontally to the left at y = negative 1. The second line has a closed circle at (negative 1, 0) and continues horizontally to a closed circle at (1, 0). The third line has an open circle at (1, 1) and continues horizontally to the right at y = 1.

Question 6

The step function f(x) is graphed.

Revolt · Accepted Answer

-2

Question 7

The step function f(x) is graphed.

Revolt · Accepted Answer

-1

Question 8

If f(x) = −2 + 8, what is f(−1.8)?

Revolt · Accepted Answer

10

Question 9

A clothing store uses the step function f(x) to recommend jeans sizes as a function of x, a child’s height in inches.f(x) = According to the function, which is the height of a child who should wear size 2 jeans?

Revolt · Accepted Answer

42 inches

Question 10

The cost of a single ticket depends on the number of tickets, t, purchased in a group, as represented by the function C(t).C(t) = What is the total cost for 20 tickets?

Revolt · Accepted Answer

$290.00

Step Functions Answers

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