Identifying and Comparing Functions Quiz

Is the table a function; yes or no

• yes

• No

Is the graph a function?

Yes or no

Hint use vertical line test

• yes

• no

Is the equation a function; yes or no

Hint can the y have exponents?

• yes

• no

Is the graph a function?

Yes or no

• yes

• no

The order pairs are a function, what order pair would keep it a function?

(12,6), (3,1), (2, -2), (5, 10) , (___, ___)

** one input (x) for one output (y)

• (2,1)

• (12, 7)

• (-8, 8)

Rita makes $450 plus $15 and hour.

Bill's pay is y= 12x + 500

Who makes more per hour? (slope)

• Rita

• Bill

Which company has the lowest cost per square foot (slope)?

A: $2.25 per square foot

B: See table to find slope and compare

• Company A

• Company B

Cadien gets y= 16.2 x +0 miles per gallon

Ethan gas mileage is shown on the graph

Who gets the best gas mileage (slope)?

• Cadien

• Ethan

Is it linear, is it a function? ( think vertical line test)

• non-linear; not a function

• non- linear; is a function

• linear; is a function

• linear; not a function

Use your desmos calculator to answer the question

• A

• B

• C

• D