Identifying Functions/ Domain and Range

Quiz Review:

Identifying Functions, Solve Functions and Domain and Range

Quiz Date

Due date for Edpuzzles and Khan Lessons.

Dropdown

Range is all of the ​

Select answer

values.If you need help look at slide #4

Dropdown

Domain is all of the ​ ​

Select answer

values.If you need help look at slide #4

​Maximum: How high the range goes (TOP)

Minimum: How low the range goes (Bottom)

​We look at the range (y-value) when reading this!!

​Maximum is 800

*we are looking at the range (y-value)

​Minimum is -9

*we are looking at the range (y-value)

Math Response

What is the maximum value of the function?

Type answer here

Correct Answer: 3

Deg^°

Rad

Math Response

What is the minimum value of the function?

Type answer here

Correct Answer: 0

Deg^°

Rad

Solve the function

​This problem is asking us to replace all the X's (inputs) we see with (8) --> yes include the parenthese to avoid mistakes.

​Using Desmos Calculator (above), the calculator will do all the hard work for us and pop out an answer.

Do not include the f(x)=

Math Response

Solve for the function.

$$f\left(x\right)=2x^2+2$$

when $$f\left(-3\right)$$ .

If you need help look at slide #7

Type answer here

Correct Answer: 20

Deg^°

Rad

Math Response

Solve for the function.

$$g\left(x\right)=4x-10$$

when $$g\left(2\right)$$ .

If you need help look at slide #7

Type answer here

Correct Answer: -2

Deg^°

Rad

Math Response

Solve for the function.

$$h\left(x\right)=-13+x^2+x$$

when $$h\left(3\right)$$ .

If you need help look at slide #7

Type answer here

Correct Answer: -1

Deg^°

Rad

Multiple Choice

Is this a function?

• Yes

• No

Multiple Choice

Is this a function?

• Yes

• No

Multiple Choice

Is this a function?

• Yes

• No

Multiple Choice

Is this graph a function?

Use vertical line test to determine.

• Yes

• No

Multiple Choice

Is this graph a function?

Use vertical line test to determine.

• Yes

• No

Multiple Choice

Is this graph a function?

Use vertical line test to determine.

• Yes

• No

Multiple Choice

Is this graph a function?

Use vertical line test to determine.

• Yes

• No

Multiple Choice

Which graph represents a function. Whose domain is the set of non-negative real numbers?

Multiple Choice

Which graph represents a function. Whose range is the set of non-negative real numbers?

Multiple Choice

For which relations is $$y$$ a function of $$x$$ ?

Multiple Choice

For which relation is $$y$$ NOT a function of $$x$$ ?

• Use Desmos to graph a picture.

Multiple Choice

What is the domain of the graph?

How far left and right the graph goes on the x-axis.

• $$−5\le x\le7$$

• $$−5\le x\le6$$

• $$−5\le x\le4$$

• $$−5\le x\le5$$

Multiple Choice

What is the range of the graph?

How far up and down the graph goes on the y-axis.

• $$−4\le y\le9$$

• The y-values are -5, -2, 0, 2 and 5

• The y-values are -4, 0, 9

• $$−5\le y\le4$$

Multiple Choice

What is the domain of the graph?

How far left and right the graph goes on the x-axis.

• $$−7\le x\le7$$

• x values are:

  {-7, -4, 0, 4, and 7}

• x values are:

  {-3, 0, and 4}

• $$−3\le x\le4$$

Multiple Choice

What is the range of the graph?

How far up and down the graph goes on the y-axis.

• $$−4\le y\le5$$

• $$−3\le y\le1$$

• $$−3\le y\le6$$

• $$−4\le y\le2$$

Multiple Choice

What is the domain of the graph?

Draw an imaginary line to hit the x-axis

• $$−3\le x\le4$$

• The x-values are: {-2, -1, 1, 5 and 6}

• The x-values are: {-5, -2, 6 and 7}

• $$−7\le x\le7$$

Multiple Choice

What is the range of the graph?

Draw an imaginary line to hit the y-axis

• $$−7\le y\le7$$

• The y-values are: {-7, -4, -1, 3 and 7}

• The y-values are: {-7, -6, -1, 3 and 4}

• $$−7\le y\le4$$