Build an understanding that a function from one set (called the domain) to another set (called the range) assigns to each element of the domain exactly one element of the range by recognizing that: β’ if f is a function and x is an element of its domain, then π(π₯) denotes the output of f corresponding to the input x. β’ the graph of π is the graph of the equation π¦ = π(π₯).
Use function notation to evaluate linear, quadratic, and exponential functions for inputs in their domains, and interpret statements that use function notation in terms of a context.
Interpret key features of graphs, tables, and verbal descriptions in context to describe functions that arise in applications relating two quantities, including: intercepts; intervals where the function is increasing, decreasing, positive, or negative; and maximums and minimums.
Recognize that recursively and explicitly defined sequences are functions whose domain is a subset of the integers, the terms of an arithmetic sequence are a subset of the range of a linear function, and the terms of a geometric sequence are a subset of the range of an exponential function.
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Q 1/18
Score 0
For which mapped relation is the domain {1, 2, 3}?
30
Q 2/18
Score 0
The prices for different lengths of ribbon sold at a fabric store are shown in the table. Which statement BEST justifies whether or not the relationship between the length and price represents a function?
30
This relationship does not represent a function because it relates inches and dollars.
This relationship does not represent a function because the prices of different lengths of ribbon are all different.
This relationship represents a function because no length of ribbon has more than one price.
This relationship represents a function because the price per inch decreases as the length of ribbon increases.
18 questions
Q.
For which mapped relation is the domain {1, 2, 3}?
1
30 sec
NC.M1.F-IF.1
Q.
The prices for different lengths of ribbon sold at a fabric store are shown in the table. Which statement BEST justifies whether or not the relationship between the length and price represents a function?
