The Algebra of Functions

Is this a function?

• Yes, one output for each input

• No, look at the -3's

• It depends

• Not enough information

Is this a function?

• Yes, one output for each input

• No, multiple y-values for an x-value

• It depends

• Not enough information

Is this a function?

• Yes, one output for each input

• No, multiple y-values for an x-value

• It depends

• Not enough information

how do we read "f(x)"

• "f of x" ("f de x")

• "f times x" ("f por x")

• "f multiplied with x" ("f multiplicado por x")

• none of the above (Ninguna de las anteriores)

Name the parent function. 

• constant

• square root

• linear

• absolute value

This graph belongs to which Parent?

• Exponential Parent Function

• Logarithmic Parent Function

• Irrational Parent Function

• Rational Parent Function

What is the domain of the Cubic Parent Function?

• All real numbers

Domain is: 

• All x values, from left to right.

• All y values, from bottom to top.

• All x values from bottom to top. 

• All y values from left to right.

The parent function for this graph has which domain?

• All real numbers