Alissia’s Function Slide Show!!. Real- World Problem Faith and 3 of her friends wants to go to the movies, if the tickets cost $7.50 each plus popcorn.

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Presentation transcript:

Alissia’s Function Slide Show!!

Real- World Problem Faith and 3 of her friends wants to go to the movies, if the tickets cost $7.50 each plus popcorn which cost 3.50 each not including tax, how much will cost for them to go?

Equation The equation to my problem is… y= 11.00x or J(x)=11.00x y=The total cost of the tickets and popcorn X= The number of people

X= independent, y=dependent The independent variable is x which is the number of people. The dependent variable is y which is the total cost of the tickets and popcorn. We know y depends on x So the total cost depends on the number of people.

Is This a Function? & Why? yes, because the x’s do not repeat.

Domain & Range! The domain of a relationship is the set of permissible x values. Domains can be continuous or discrete. The range of the relationship is the set of permissible y values. My domains are [1,2,3,4] & My ranges are [11.00, 22.00, 33.00, 44.00]

Continuous Or Discrete Discrete. Why? Because there are number between !

Function Notation Equation: y= 11x Function Notation: F(x)= 11x

Table of Values

The Answer! Sooooooo… The total cost of Faith and her 3 friends for the tickets and popcorn is $44.00 Dollars!