Relations and Functions

Question 1

−4 ___(a)___ x ___(b)___ 4

Revolt · Accepted Answer

n, the number of necklaces; c, the total cost (in dollars)

Question 2

less than or equal to✔ less thangreater than or equal togreater than

Revolt · Accepted Answer

✔ less than

Question 3

Use the drop downs to determine which symbols would complete the inequality for the range.

Revolt · Accepted Answer

Use the drop downs to determine which symbols would complete the inequality for the range. −2 ___(c)___ y ___(d)___ 5 (c) (d): less than or equal to; Use the drop downs to determine which symbols would complete the inequality for the range. −2 ___(c)___ y ___(d)___ 5 (c) (d): less than

Question 4

Range: {–2, –1, 0, 2, 3, 4}{–2, –1, 0, 4}✔ {–2, 2, 3, 4}

Revolt · Accepted Answer

✔ {–2, 2, 3, 4}

Question 5

Which expression means “the total cost, including shipping, of 5 necklaces”? n(5)✔ c(5)c(5)+6

Revolt · Accepted Answer

✔ c(5)

Question 6

−4 ___(a)___ x ___(b)___ 4

Revolt · Accepted Answer

✔ less than or equal to; −4 ___(a)___ x ___(b)___ 4 (a) (b): less than or equal to; −4 ___(a)___ x ___(b)___ 4 (a) (b): less than

Question 7

What is the domain of the relation? X -64✔ -46

Revolt · Accepted Answer

✔ -4

Question 8

The set of ordered pairs above: ✔ functionnot a function

Revolt · Accepted Answer

✔ function

Question 9

Which ordered pairs prevent this relation from being a function?

Revolt · Accepted Answer

(1, 4) and (1, 3), because they have the same x-value

Question 10

What does the notation f(0) mean? Multiply f by 0✔ the output (y-value) when x = 0the value of x when the output is 0

Revolt · Accepted Answer

✔ the output (y-value) when x = 0

Relations and Functions Answers

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