Lesson 4 Using Function Notation to Describe Words

Lesson 4 Using Function Notation to Describe Words

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Multiple Choice

Match each equation with a description of the function it represents.

f(x)=2x+4

• To get the output, add 4 to the input, then multiply the result by 2.

• To get the output, add 2 to the input, then multiply the result by 4.

• To get the output, multiply the input by 2, then add 4 to the result.

• To get the output, multiply the input by 4, then add 2 to the result.

Multiple Choice

Match each equation with a description of the function it represents.

g(x)=2(x+4)

• To get the output, add 4 to the input, then multiply the result by 2.

• To get the output, add 2 to the input, then multiply the result by 4.

• To get the output, multiply the input by 2, then add 4 to the result.

• To get the output, multiply the input by 4, then add 2 to the result.

Multiple Choice

Match each equation with a description of the function it represents.

h(x)=4x+2

• To get the output, add 4 to the input, then multiply the result by 2.

• To get the output, add 2 to the input, then multiply the result by 4.

• To get the output, multiply the input by 2, then add 4 to the result.

• To get the output, multiply the input by 4, then add 2 to the result.

Multiple Choice

Match each equation with a description of the function it represents.

k(x)=4(x+2)

• To get the output, add 4 to the input, then multiply the result by 2.

• To get the output, add 2 to the input, then multiply the result by 4.

• To get the output, multiply the input by 2, then add 4 to the result.

• To get the output, multiply the input by 4, then add 2 to the result.

Multiple Choice

Functions f and A are defined by these equations.

f(x)=80−15x

A(x)=25+10x

Which function has a greater value when x is 2.5?

• f(x)

• A(x)

Multiple Choice

An equilateral triangle has three sides of equal length. Function P gives the perimeter of an equilateral triangle of side length s.

Find P(s). Type the number only

• 3

• 3s

• 30

• 30s

Multiple Choice

• A

• B

• C

• D

Multiple Choice

iego is baking cookies for a fundraiser. He opens a 5-pound bag of flour and uses 1.5 pounds of flour to bake the cookies.

Which equation or inequality represents f, the amount of flour left in the bag after Diego bakes the cookies?

• f=1.5

• f<1.5

• f=3.5

• f>3.5