Question 1

1. In the set of ordered pairs below, what is the domain?

{(-3,1), (-2,2), (-1,3), (0,4)}

Accepted Answer

{-3,-2,-1,0}

Answer

{1,2,3,4}

Answer

{4,0,3,-1,2,-2,1,-3}

Answer

{-3,1,-2,2,-1,3,0,4}

Question 2

2. In the set of ordered pairs below, what is the range?

{(-3,1), (-2,2), (-1,3), (0,4)}

Accepted Answer

{1,2,3,4}

Answer

{-3,-2,-1,0}

Answer

{-3,1,-2,2,-1,3,0,4}

Answer

{4,0,3,-1,2,-2,1,-3}

Question 3

3. For what value of x will make {(1,6),(5,10),(x,0),(8,13)} satisfy the relation y = x + 5?

Accepted Answer

-5

Answer

-1

Answer

5

Answer

1

Question 4

4. For what value of y will make {(-1,-2),(4,y),(3,2),(5,4)} satisfy the relation y = x – 1?

Accepted Answer

3

Answer

-1

Answer

-3

Answer

1

Question 5

5. What is the domain the function f(x) = $\frac{x}{x-4}$ ?

Accepted Answer

D = {x|x є $\frac{x}{x-4}$ where x ≠ 4}

Answer

D = {4}

Answer

D = {x|x є $\frac{x}{x-4}$ }

Answer

D = {x|x є $\frac{x}{x-4}$ where x ≠ -4}

Question 6

6. What is the domain the function f(x) = x + 6 ?

Accepted Answer

D = {x|x є $\frac{x}{x-4}$ }

Answer

D = {x|x є $\frac{x}{x-4}$ where x > -6}

Answer

D = {6}

Answer

D = {x|x є $\frac{x}{x-4}$ where x > 6}

Question 7

7. What is the range of values of the function f(x)= 2x + 3, if x = {-2, -1, 0, 1, 2}?

Accepted Answer

{-1,1,3,5,7}

Answer

{1,-1,-3,-5,-7}

Answer

{1,1,3,-5.-7}

Answer

{-2,-1,0,1,2}

Question 8

8. In the illustration on the right, what is the domain?

Accepted Answer

D = (-1,3]

Answer

D = (-1,3)

Answer

D = [-1,3)

Answer

D = [-1,3]

Question 9

9. In the illustration on the right, what is the range?

Accepted Answer

R = (-5,3]

Answer

R = [-5,3)

Answer

R = [-5,3]

Answer

R = (-5,3)

Question 10

10. From the graph on the right, which is true among the statements below?

Accepted Answer

The slope is positive.

Answer

The x-intercept is 1.

Answer

The line is inclined to the left.

Answer

The y-intercept is 1.

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