Quiz about Basic Function Equality Graphs

Question 1

Over what intervals is F(x) increasing? Check all that apply.

Accepted Answer

$$4\le x\le8$$

Accepted Answer

$$-10\le x\le-7$$

Answer

$$-7\le x\le-2$$

Answer

$$-2\le x\le-1$$

Answer

$$-1\le x\le4$$

Question 2

Over what intervals is F(x) constant? Check all that apply.

Accepted Answer

$$-7\le x\le-2$$

Accepted Answer

$$-1\le x\le4$$

Answer

$$-10\le x\le-7$$

Answer

$$-2\le x\le-1$$

Answer

$$4\le x\le8$$

Question 3

Over what intervals is F(x) decreasing? Check all that apply.

Accepted Answer

$$-2\le x\le-1$$

Answer

$$-10\le x\le-7$$

Answer

$$-7\le x\le-2$$

Answer

$$-1\le x\le4$$

Answer

$$4\le x\le8$$

Question 4

What is the range of F(x)?

Accepted Answer

$$-7\le y\le2$$

Answer

$$-10\le x\le8$$

Answer

$$-7\le x\le2$$

Answer

all real numbers

Answer

$$-10\le y\le8$$

Question 5

What are the x-intercepts? Check all that apply.

Accepted Answer

(7, 0)

Answer

(0, 7)

Answer

(-6, 0)

Answer

(0, -6)

Question 6

What are the y-intercepts? Check all that apply.

Accepted Answer

(0, -6)

Answer

(0, 7)

Answer

(-6, 0)

Answer

(7, 0)

Question 7

Find x, if F(x) = -4? Check all that apply.

Accepted Answer

-8

Accepted Answer

-1.5

Accepted Answer

5

Answer

-10

Answer

-4

Question 8

Over what intervals is F(x) positive? Check all that apply.

Accepted Answer

$$7<x\le8$$

Answer

$$-10\le x\le7$$

Answer

$$-7\le x\le-2$$

Answer

$$-2\le x\le-1$$

Answer

$$-1\le x\le4$$

Question 9

Over what intervals is F(x) negative? Check all that apply.

Accepted Answer

$$-10\le x<7$$

Answer

$$-7\le x\le8$$

Answer

$$-12\le x\le-1$$

Answer

$$-1\le x\le9$$

Answer

$$7\le x\le8$$

Question 10

What is the domain of F(x)?

Accepted Answer

$$-10\le x\le8$$

Answer

$$-7\le x\le2$$

Answer

all real numbers

Answer

$$-10\le y\le8$$

Answer

$$-7\le y\le2$$

Question 11

This graph represents which function?

Accepted Answer

y = -2x + 1

Answer

y = -2x

Answer

y = 2x

Answer

y = 2x - 1

Question 12

Is this table a function or not a function?

Accepted Answer

Not a Function

Answer

Function

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