5.2.1 Functions & Evaluating Functions

Presentation

•

Mathematics

•

9th - 12th Grade

•

Practice Problem

•

Easy

Ilyse Marcinkiewicz

Used 1+ times

FREE Resource

23 Slides • 18 Questions

Hotspot

Which of the following tables are functions

Multiple Select

Which relation map represents a function?

Select all that apply.

Mapping 1

Mapping 2

Mapping 3

Mapping 4

Multiple Choice

Which of the following statements about domain and range is true?

Domain values are input values and range values are output values

Domain values are output values and range values are input values.

Domain and range values are both input values

Domain and range values are both output values.

Reorder

Order the following statements so they accurately describe how to perform a vertical line test.

Create a graph from a table of values.

Observe the graph.

Draw one or more vertical lines that intersect the graph of the values

Note how many times the lines intersect the graph.

Determine if the relation is a function.

Hotspot

Which of the following images represent graphs of functions?

Open Ended

Do the values in the table represent a function? How do you know?

Type response here

Match

Match each part of g(x) = 2x – 7 in function notation with the corresponding label.

Name of the function

Input Value

Output Value

Rule

g(x)

2x - 7

Math Response

For g(x) = -4x + 2

Solve g(-3)

Type answer here

Deg^°

Rad

Math Response

For g(x) = -4x + 2

Solve g(0)

Type answer here

Deg^°

Rad

Math Response

For g(x) = -4x + 2

Solve g(8)

Type answer here

Deg^°

Rad

Match

Max works at a convenience store and is paid $15.00 per hour.

The f(x) = 15x function represents the amount of money he makes for each hour x he works.

Match the evaluation and interpretation of each value of the function to the correct label

Evaluation of f(7)

Interpretation of f(7)

Evaluation of f(12)

Interpretation of f(12)

105

He earn $105

180

He earns $180

Draw

Let f(x) = 3x – 7. Given the domain {-4, -2, 0, 4}, find the range.

Fill in the missing values

Multiple Select

Which of the follow statements are true based on the function f(x) = 2.5x and the table.

The output values increase by 5 as the input values increase by 2

The input and output values are increasing.

The input values increase by 5 as the output values increase by 2.

The input and output values are decreasing.

Multiple Select

Michelle is practicing her long- distance running for the track. The function f(x) = 5x + 3 represents the total miles she ran per hour x.

Evaluate f(4) and interpret the function if Michelle runs for 4 hours.

Which of the following are true

f(4) = 23

After running for 4 hours, her distance is 23 miles.

f(4) = 17

After running for 4 hours, her distance is 17 miles.

Multiple Choice

Michelle is practicing her long-distance running for the track. The function f(x) = 5x + 3 represents the total miles she ran per hour x.

If Michelle’s goal is to run 30 miles this week, will she reach that goal after running 7 hours?

Yes, she will reach her goal because her distance will be 105 miles after 7 hours

A.Yes, she will reach her goal because her distance will be 38 miles after 7 hours.

A.No, she will not reach her gal because her distance will be 26 miles after 7 hours.

No, she will not reach her goal because her distance will be 15 miles after 7 hours

Reorder

Order the steps correctly to evaluate the function g(x) = -5x – 3 for g(-7).

g(x) = -5x – 3

g(-7) = -5 (-7) – 3

g(-7) = 35 - 3

g(-7) = 32

Math Response

An electrician charges $30 per hour. The function f(x) = 30x + 75 represents the amount of money the electrician makes for each hour x.

Evaluate and interpret function for f(4).

Type answer here

Deg^°

Rad

Fill in the Blanks

Type answer...

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