### All Algebra 1 Resources

## Example Questions

### Example Question #31 : How To Find F(X)

Define and .

Evaluate .

**Possible Answers:**

is undefined.

**Correct answer:**

First evaluate and , then subtract.

### Example Question #31 : How To Find F(X)

If , then which of the following is equivalent to ^{?}

**Possible Answers:**

**Correct answer:**

Plug in for .

FOIL the squared term and distribute -4:

Distribute the 2:

Combine like terms:

### Example Question #31 : How To Find F(X)

Define .

If , evaluate .

**Possible Answers:**

**Correct answer:**

Plug in as if it were a constant, and then solve for its value:

### Example Question #82 : Functions And Lines

is defined as the least integer greater than or equal to .

Define .

Evaluate .

**Possible Answers:**

**Correct answer:**

Plug in 5.5:

### Example Question #34 : How To Find F(X)

Find .

**Possible Answers:**

**Correct answer:**

Plug into .

Now plug that into :

### Example Question #32 : How To Find F(X)

Solve for . When .

**Possible Answers:**

**Correct answer:**

Given the equation,

and

Plug in for to the equation,

Solve and simplify.

### Example Question #84 : Functions And Lines

Solve for , when .

**Possible Answers:**

**Correct answer:**

Plug in the value for .

Simplify

Subtract

### Example Question #85 : Functions And Lines

For the following equation, if x = 2, what is y?

**Possible Answers:**

7

9

1

16

25

**Correct answer:**

9

On the equation, replace x with 2 and then simplify.

### Example Question #83 : Functions And Lines

Solve for when .

**Possible Answers:**

Does not exist

**Correct answer:**

Plug 3 in for x:

Simplify:

=

= 5

### Example Question #88 : Functions And Lines

What is of the following equation?

**Possible Answers:**

**Correct answer:**

To complete an equation with a function, plug the number inside the parentheses into the equation for and solve algebraically.

In this case the

Square the 7 and multiply to get

Add the numbers to get the answer .