Step Functions

Question 1

The graph represents the cleaning costs charged by a housekeeping service. | What is the domain of the function? | What is the range of the function?

Revolt · Accepted Answer

0 to 8; Selection 1: 0 to 8; Selection 2: 50, 100, or 200

Question 2

The graph represents the cleaning costs charged by a housekeeping service. | What is the domain of the function? | What is the range of the function?

Revolt · Accepted Answer

50, 100, or 200

Question 3

Which mathematical situation can be graphed using a step function?

Revolt · Accepted Answer

Each output is the result of rounding an input to the nearest ten.

Question 4

The graph represents the cleaning costs charged by a housekeeping service.Which statement is true of the cost function?

Revolt · Accepted Answer

Cost is a fixed rate of $100 for jobs requiring more than 2 hours, up to a maximum of 6 hours.

Question 5

Which points lie on the graph of the function f(x) = ⌈x⌉ + 2? Check all that apply.

Revolt · Accepted Answer

(–1.1, 1); (–0.9, 2); (2.2, 5)

Question 6

Interpret the graph to determine the statement the manager at a building supply store can use to help a customer determine how much primer to purchase. Each gallon of primer will cover a of square feet.

Revolt · Accepted Answer

maximum; Each gallon of primer will cover a of square feet.: maximum; Each gallon of primer will cover a of square feet.: 200

Question 7

Which graph represents the function f(x) = 4⌈x⌉?

Revolt · Accepted Answer

[Image: On a coordinate plane, a step graph has horizontal...]

Question 8

Which function and domain could represent the given graph?

Revolt · Accepted Answer

f(x) = –⌊x⌋; –3 ≤ x ≤ 3

Question 9

✔ 200400600

Revolt · Accepted Answer

200

Step Functions Answers

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