Algebra Examples

$f (x) = x + 2$

Step 1

Write

$f (x) = x + 2$ as an equation.

$y = x + 2$

Step 2

Choose any value for

$x$ that is in the domain to plug into the equation.

Step 3

Choose

$0$ to substitute in for

$x$ to find the ordered pair.

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Step 3.1

Remove parentheses.

$y = 0 + 2$

Step 3.2

Remove parentheses.

$y = (0) + 2$

Step 3.3

Add

$0$ and

$2$ .

$y = 2$

Step 3.4

Use the

$x$ and

$y$ values to form the ordered pair.

$(0, 2)$

Step 4

Choose

$1$ to substitute in for

$x$ to find the ordered pair.

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Step 4.1

Remove parentheses.

$y = 1 + 2$

Step 4.2

Remove parentheses.

$y = (1) + 2$

Step 4.3

Add

$1$ and

$2$ .

$y = 3$

Step 4.4

Use the

$x$ and

$y$ values to form the ordered pair.

$(1, 3)$

Step 5

Choose

$2$ to substitute in for

$x$ to find the ordered pair.

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Step 5.1

Remove parentheses.

$y = 2 + 2$

Step 5.2

Remove parentheses.

$y = (2) + 2$

Step 5.3

Add

$2$ and

$2$ .

$y = 4$

Step 5.4

Use the

$x$ and

$y$ values to form the ordered pair.

$(2, 4)$

Step 6

These are three possible solutions to the equation.

$(0, 2), (1, 3), (2, 4)$

Step 7

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