Linear Functions and Models

What type of slope does the graph have?

• Zero

• Undefined

• Negative

• Positive

Find f(2)

• 5

• 4

• 3

• 0

Give the x-intercept
3x + 8y = 24

• (8, 0)

• (0, 8)

• (3, 0)

• (0, 3)

What is the y-intercept in the equation x + 2y = 4

• (0, 0)

• (0, 2)

• (4, 0)

• (2, 0)

• There is a $5 initial charge and an additional charge of $2 per copy.

• There is a $2 initial charge and an additional charge of $5 per copy.

• The company charges $5 for every 2 copies.

• The company charges $2 for every 5 copies.

The inequality $3x+2y>96$ approximately models the projected sales for a stadium vendor if she sells more than $96 of snacks during the game and is represented in the graph. Which statement is true?

• The point (12, 30) is part of the solution region.

• The point (12, 30) means that is she sells 12 peanuts and 30 hot dogs, she will make $96.

• The point (12, 30) is not part of the solution region.

Ashley has a job as an assistant for a basketball program at her community center. She is paid a flat rate of $15 for each session plus an additional $6 for each student who shows up at that session. Which one of the following functions represents Ashley’s earnings, , per session?

• E(x) = x + 15

• E(x) = 15x

• E(x) = 6x + 15

• E(x) = 15x + 6

Which of the following equations represents the line that has a y-intercept of (0, -2) and x-intercept of (3 , 0)?

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• Joe bought 2 packages of Ramen noodles.

• Spaghetti O's cost $2.25

• Joe brought in 18 cans

• Spaghetti O's cost  $2