Comparing Functions

Comparing Functions

By Hannah Kilgore

Open Ended

Look at the quesiton on the board (from the previous slide).

Answer the question, then explain your answer.

Multiple Choice

Which one tells you the "initial amount" (starting number)?

• The slope

• The y-value

• The x-value

• The y-intercept

Multiple Choice

What is another name for "rate of change?"

• slope

• y-intercpet

• percent

• function

Multiple Choice

Which one is faster?

• Zebra

• Lion

Multiple Choice

Which one is faster

• Water garden

• Koi Pond

Open Ended

What do the y-intercepts mean in this situation?

Multiple Choice

Which one is faster?

• Train in Japan

• Train in China

Multiple Choice

What is the equation for package B?

• y=9x

• y=18x+2

• y=-18x - 2

• y=9x+9

Multiple Choice

If you have 12 people, which is the cheaper package?

• Package A

• Package B

Multiple Choice

What is the equation for Cross Town Movers

• y=30x+5

• y=5x+30

• y=3x+0.50

• y=0.50x+30

Multiple Choice

What is the equation for Rons Rentals?

• y=2.50x+5

• y=2.50x

• y=3x+2.50

• y=0.50x+2.50

Multiple Choice

Which one will cost less for 40 miles?

• Cross Town Movers

• Ron's Rentals

Multiple Choice

Which food will the students earn more money selling if they sell 100 of each item.

• Subs

• Pizza