Quiz about Functions Preassessment

Question 1

What is the apparent range of the relation shown on the grid?

Accepted Answer

$$\left\{-2,1,3\right\}$$

Answer

$$\left\{-2,1,2,4\right\}$$

Answer

$$\left\{1,2,3,4\right\}$$

Answer

$$\left\{-2,2,3,4\right\}$$

Question 2

The graph of the function is shown above.

What do the domain and the range appear to be?

Accepted Answer

$$Domain:\ \left(-\infty,\infty\right)\ \ \ Range:\ \left[-6\ \frac{3}{4},\ \infty\right)$$

Answer

$$Domain:\ \left[-2,1\right]\ \ Range\ \left(-\infty,\infty\right)$$

Answer

$$Domain:\ \left(-\infty,\infty\right)\ \ \ Range:\ \left[-2,1\right]$$

Answer

$$Domain:\ \left[-6\ \frac{3}{4},\ \infty\right)\ \ \ \ Range:\ \left(-\infty,\ \infty\right)$$

Question 3

Which of the following graphs appears to be a function?

Accepted Answer

B) Graph 2

Answer

A) Graph 1

Answer

C) Graph 3

Answer

D) Graph 4

Question 4

Identify each relation that represents a function.

Accepted Answer

Option A is correct

Accepted Answer

{ (-4, 2), (-1, 5), (2, 8), (2, 7) }

Answer

C.

Answer

D.

Question 5

Find the slope of the line.

Accepted Answer

1/2

Answer

-1/2

Answer

2

Answer

-2

Question 6

What is the slope?

Accepted Answer

5

Answer

1/5

Answer

15

Answer

10

Question 7

What is the y-intercept in the equation y= -2x + 5

Accepted Answer

5

Answer

-2

Answer

3

Answer

Cannot be Determined

Question 8

Which graph represents the table?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 9

Does the quadratic have a max/min vertex, and does the graph open up/down?

Accepted Answer

max/ opens down

Answer

min/ opens up

Answer

max/ opens up

Answer

min/ opens down

Question 10

Find the axis of symmetry for the graph

Accepted Answer

x = 1

Answer

x = -1

Answer

x = 3

Answer

x = -1 , 3

Functions Preassessment

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