Step Functions

Question 1

Range:

Revolt · Accepted Answer

equal to –4, 2, and 3

Question 2

Domain:

Revolt · Accepted Answer

real numbers greater than or equal to –3

Question 3

The cost of parking in a garage, in dollars, can be modeled by a step function whose graph is shown. How much does it cost to park for 3 hours and 45 minutes?

Revolt · Accepted Answer

$6

Question 4

Over the interval , y = 2.

Revolt · Accepted Answer

[2, 3)

Question 5

The cost of a long-distance phone call, in cents, can be modeled by the ceiling function whose graph is shown.How much does it cost to talk for 3.1 minutes?

Revolt · Accepted Answer

4 cents

Question 6

At which x-values are the output values of the floor function g(x) = ⌊x⌋ and the ceiling function h(x) = ⌈x⌉ equal? Check all that apply.–8–5.2–1.702.4

Revolt · Accepted Answer

–8; 0

Question 7

For an input value of –1.5, the corresponding output value is .

Revolt · Accepted Answer

–2

Step Functions Answers

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