# Lesson 7More VariationPractice Understanding

In an experiment, an event is the outcome that we are interested in occurring.

The probability of an event , written as , is defined as

### 1.

Each letter of the word “S T A T I S T I C S” is written on a card and placed in a box. A card is randomly selected from the box. Find the probability of drawing a card containing the indicated letter.

C

S

I

### 2.

You roll a standard -sided die. What is the probability that you will roll

a prime number?

an even number?

#### c.

a number greater than ?

### 3.

A bag contains red balls, green balls, white balls, and black ball. A ball is randomly selected from the bag. What is the probability of selecting

a red ball?

a white ball?

a yellow ball?

## Set

### 4.

The graph of is given. On the same set of axes, sketch the graph of when and when .

### 5.

What do the different values of do to the shape of the graph? Did the location of the asymptotes change?

### 6.

State the domain of . Did the domain and/or range change when changed? Explain.

### 7.

Sketch the graph of . Describe the change in the graph and the asymptotes.

### 8.

Sketch the graph of . Describe the change in the graph and in the asymptotes.

### 9.

What is the solution to the equation defined by the system: ?

### 10.

Find the solution to the equation defined by the system:

## Go

Choices for types of functions: linear but not direct variation, linear and direct variation, inverse variation, quadratic, and exponential.