Functions

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1

Does the equation y = x+2 define a function?

We cannot tell by the function

No, the x yields more than one y.

Yes, there is one output per input.

Ɛhia

1

Is the following equation a function?

Cannot decide without a plot.

Yes, because it's symmetric.

Yes, one output per x.

No, it fails the vertical line test.

Ɛhia

1

Do the following points represent a function?
(1,4), (2,5), (2,6), (3,7)

Not enough info provided.

No, x=2 has two different y values.

Yes, all pairs are valid.

Yes, inputs are not repeated.

Ɛhia

1

What is the domain of this graph?

Ɛhia

1

Describe how we know if an equation is a function.

5

Determine if the graphs represent a function

Ɛhia

1

Graph the function:

Akwankyerɛ

Klik Graph tab (Graph 1, Graph 2, ne nea ɛkeka ho) so ma graph biara a ɛsɛ sɛ wobɔ.
Klik graph no akyi na fa asɛm bi ka ho. Fa nsɛntitiriw abien ka ho na yɛ graph. Twe asɛm bi anaa kyerɛw x ne y coordinates na sesa ne gyinabea. Klik asɛm bi so na popa.
Sɛ wobɔ wo graph no wie a, wubetumi ahyɛ dashed line box no mu.

Ɛhia

1

Solve the following equation for all values of x:

Ɛhia

1

Functions

Does the equation y = x+2 define a function?

Is the following equation a function?

Do the following points represent a function?
(1,4), (2,5), (2,6), (3,7)

What is the domain of this graph?

Describe how we know if an equation is a function.

Determine if the graphs represent a function

Graph the function:

Solve the following equation for all values of x:

Which of the following equations does NOT represent a function?

Does the equation y = x+2 define a function?

Is the following equation a function?

Do the following points represent a function?
(1,4), (2,5), (2,6), (3,7)

What is the domain of this graph?

Describe how we know if an equation is a function.

Determine if the graphs represent a function

Graph the function:

Solve the following equation for all values of x:

Which of the following equations does NOT represent a function?

	Function	Not a Function

	Function	Not a Function

Functions

Functions

Does the equation y = x+2 define a function?

Is the following equation a function?

Do the following points represent a function?(1,4), (2,5), (2,6), (3,7)

What is the domain of this graph?

Describe how we know if an equation is a function.

Determine if the graphs represent a function

Graph the function:

Solve the following equation for all values of x:

Which of the following equations does NOT represent a function?

Does the equation y = x+2 define a function?

Is the following equation a function?

Do the following points represent a function?(1,4), (2,5), (2,6), (3,7)

What is the domain of this graph?

Describe how we know if an equation is a function.

Determine if the graphs represent a function

Graph the function:

Solve the following equation for all values of x:

Which of the following equations does NOT represent a function?

Do the following points represent a function?
(1,4), (2,5), (2,6), (3,7)

Do the following points represent a function?
(1,4), (2,5), (2,6), (3,7)