By: Jared Martin 6 th period. Real world problem  Josh got $155.75 for his birthday, and he bought x pair of shoes with it.

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Presentation transcript:

By: Jared Martin 6 th period

Real world problem  Josh got $ for his birthday, and he bought x pair of shoes with it.

Equation  Y= x

Independent and dependent variables  The change depends on the amount of money spent.

Is it a function? Why?  Yes, because it passes the vertical line test, and the x value doesn’t repeat.

Definition for domain and range.  Domain- the set of possible input values of a relation or function. ( 1,2,3,4,5)  Range- the set of output values of a function or relation. ( , , 80.75, 55.75, 30.75)

Is the domain continuous or discrete? Why?  Discrete, because you cant buy a half a pair of shoes.

Equation stated and function notation  Y= x  F(x)= x

Table xY= xy(x,y) 1Y= (1)130.75(1,130.75) 2Y= (2)105.75(2,105.75) 3Y= (3)80.75(3,80.75) 4Y= (4)55.75(4,55.75) 5Y= (5)30.75(5,30.75)

Graph