Presentación Terrazo
Marta Collado Picazo
Created on June 17, 2024
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Transcript
Functions
Mathematics
Marta Collado
Índice
LINEAR FUNCTION
Direct proportionality function
Affine function
Constant function
NON LINEAR FUNCTION
Inverse proportionality function
linear function
Is one whose graphical representation is a straight line.
Direct Proporcionality Function
Affine Function
Constant Function
Is a function that relates two inversely proportional magnitudes (x,y) One example:A constant rate of 105 euros can be paid by more than one person. We would have a constant of proporcionality and the formula to calculate y for each value of x:y= k/x k=105
Inverse proporcionality function:
Non-linear function
Is one that doesn´t have a straight line as its graphical representation.
Noelia Moscardo
Photo of a non-lineal function
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¡Recuerda publicar!
One example:The shop charges a tariff of 2 euros to rent the bicycle (INITIAL COST)Additionally, it cgarges 0,5 euros for each hour of use.
Affine
Function
- Its a linear function because the line its straight.
- The slope is positive, so it is an increasing function.
- Its an affine function because an initial condition (for example , y= 30) has been applied to it, which is the value of y when the x is 0, and this causes the line not to pass through the origin.
One example:The cost of one kg of cheese is 10 pounds.i want to purchase 2 kg of cheese, so I pay 20 pounds.
Direct Proporcionality
Function
- Its a linear function because the line representing is straight.
- Its a direct proporcionality function because the line passes through the origin of the coordinate system (x:0, y:0)
One example:The theme park charges a tariff of 30 euros (the entrance)no matter how much attracctions you ride, the amount will be the same.
Constant
Function
Its a function that relates two quantities (x, y) in such a way that, if the independent variable x increases or decreases, the dependent variable y stays constant.The algebraic expression is:y=n