Name:    Chapter 2 Pre Test

Multiple Choice
Identify the choice that best completes the statement or answers the question.

1.

Find the slope and y-intercept (if possible) of the equation of the line. Select the correct answer for the line.

 a. –7y-intercept: (0, 2) d. 2y-intercept: (0, 2) b. –2y-intercept: (0, 2) e. 7y-intercept: (0, 2) c. m is undefined.y-intercept: (0, 2)

2.

Find the slope of the line passing through the given pair of points.

(0, 5), (6, 0)
 a. – d. b. e. – c. –

3.

Find the slope-intercept form of the equation of the line that passes through the given point and has the indicated slope m. Select correct answer for the line.

(2.2, –8.6 ),
 a. d. b. e. c.

4.

Use the intercept form to find the equation of the line with the given intercepts. The intercept form of the equation of a line with intercepts and is

Point on line:
x-intercept: (c, 0)
y-intercept: (0, c),
 a. b. c. d. e.

5.

Estimate the slope of the line.

 a. 1 b. 0 c. –1 d. 2 e. Undefined

6.

A microchip manufacturer pays its assembly line workers \$15.25 per hour. In addition,
workers receive a piecework rate of \$0.45 per unit produced. Select a linear equation for the hourly wage W in terms of the number of units x produced per hour.
 a. b. c. d. e.

7.

Evaluate if .
 a. = b. = c. = d. = e. =

8.

Find the domain of the function.

 a. Non-negative real numbers x b. All real numbers x c. All real numbers x such that d. Non-negative real numbers x except e. All real numbers x such that

9.

Find all real values of x such that f (x) = 0.
 a. b. c. d. e.

10.

Select the graph of the given function and determine the interval(s) for which .

 a. d. b. e. c.

11.

Select the correct graph of the given function.

 a. d. b. e. c.

12.

The cost of sending an overnight package from Los Angeles to Miami is \$ for a package weighing up to but not including 1 pound and \$  for each additional pound or portion of a pound. A model for the total cost (in dollars) of sending the package is

where, is the weight in pounds.

Determine the cost of sending a package that weighs pounds.
 a. b. c. d. e.

13.

For following function, select (on the same set of coordinate axes) a graph for .

 a. d. b. e. c.

14.

Use the graph of to write an equation for the function whose graph is shown.

 a. b. c. d. e.

15.

Select the graph of .

 a. d. b. e. c.

16.

Use the viewing window shown to select a possible equation for the transformation of the parent function.

 a. b. c. d. e.

17.

The spread of a contaminant is increasing in a circular pattern on the surface of a lake. The radius of the contaminant can be modeled by  , where r is the radius in meters and t is the time in hours since contamination.

Find a function that gives the area A of the circular lake in terms of the time since the spread began.
 a. b. c. d. e.

18.

Use the tables of values for to complete a table for .

 x 0 2

 a. b. c. d. e.

19.

Select the graph of the function, and use the Horizontal Line Test to determine whether the function is one-to-one and so has an inverse function.

 a. The function does not have inverse. d. The function does not have inverse. b. The function does not have inverse. e. The function does not have inverse. c. The function does not have inverse.

20.

Find the inverse function of  f.
 a. b. c. d. e.