Vocabulary
Describing graphs
Evaluating Functions
Domain and Range
Is it a function?
100

The set of all the x-values that can be inputted into a function is called the...

Domain! 

100

What are the coordinates of the vertex of this parabola?

(1 , - 4 )

100

Find f(3) for this function:

f(x) = 3x - 2

7

100

What is the domain of this graph?

The y values: -7, -3, -1, 1, 4

100

Does this table represent a function? 

Yes!

200

A function is like a machine that takes an input, follows a rule, and.... 

Produces EXACTLY ONE output.

200

What are the coordinates of the y-intercept in this graph?

(0, 5)

200

Find f(-2) for this function:

f(-2) = |-2| + 8

f(-2) = 10

200

What is the domain of this graph?

[-7, 7]

200

Does this table represent a function?

No - 49 has two outputs.

300

The set of all the y-values that outputted by a function is called the...

Range

300

What are the coordinates of the x-intercepts in this graph?

(-5, 0) and (-3,0)

300

Find h(9) for this function:

h(x) = x - 5

h(9) = 76

300

What is the range of this graph?

[-6, 1]

300

Does this table represent a function?

Yes!

400

The type of curve formed by a quadratic function is a...

Parabola

400

What are the maximum and minimum y-values for this graph?

Max: 3
Min: 0

400

When the input for this function is 16, what is the output?


g(x) = \sqrt{x}+5

g(x) = 9

400

What is the range of this graph? 

The y values: -4, -2, 2, 4, 6

400

Does this graph represent a function?

Yes - Every input has one output.

500

Write this sentence in function notation:

The output of the function g, is three times the input. 

f(x) = 3x

500

This table represents a graph of a parabola. What are the coordinates of the x-intercepts?

(-5, 0) and (5,0)

500

Find f(-6) for this function:

f(x) = |2x + 1| + 4

f(-6) = 15

500

What are the domain and the range of this graph?

[-6, 6]

500

Does this graph represent a function?

No - The input ___ has 3 outputs.