Linear Functions

Tyler has 15 fantasy football points at the beginning of Sunday's games. His players earn 18 points each per game. Write the linear function that describes the total points P that Tyler's team will have after g Games.

• g(P)=18P+15

• g(P)=15P+18

• P(g)=15g+18

• P(g)=18g+15

Tags

CCSS.HSF-BF.A.1A

Tyler has 15 fantasy football points at the beginning of Sunday's games. His players earn 18 points each per game.

How many points will Tyler have after his players have played 5 games?

• 75 points

• 90 points

• 105 points

• 93 points

Tags

CCSS.HSF.BF.A.2

Tyler has 15 fantasy football points at the beginning of Sunday's games. His players earn 18 points each per game. He needs to earn 140 points to win his match up. He has 8 players left. Will he win his game?

• Yes, he will win because he earned 159 points

• Yes, he will win because he earned 144 points

• No, he will lose because he only earned 138 points

• No, he will lose because he only earned 120 points

Zara made an initial deposit to a bank account and then added a fixed amount every week. The table shows the money in her account. Write a linear function in slope-intercept form to represent the situation.

• f(x) = 30x + 100

• f(x) = 20x + 120

• f(x) = 120x + 120

• f(x) = 50x + 100

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Kevin's car needed repairs. At Keinner's Luxury Cars charged him $640 for the parts and an additional $148 for each hour for labor. Write a linear function that models this situation and tell How much money did Kevin have to pay if the mechanic worked 6 hours in his car?

• f(x) = 148x + 640; Kevin paid $1,528

• f(x) = 640x + 148; Kevin paid $3,988

• f(x) = 148x - 640; Kevin paid $248

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the meaning of the slope in the context of the problem?

• It costs $3 for each book.
• The cost of 3 books.
• Each book costs $1.
• $1 for 3 books.

Tags

CCSS.HSF.LE.B.5

The graph shows the cost of mailing a package based on its weight.  Which statement is true about the situation?

• The dependent variable is total cost
• The dependent variable is weight
• The independent variable is total cost
• The independent variable is cost of a package

Tags

CCSS.6.EE.C.9

Which panda is growing faster?

• Mochi
• Kappa
• Po the dragon warrior
• Jack Black

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

How can you represent and describe functions?

How can functions be used to describe real-world situations?

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2