1. Write an algebraic expression for

4 less than three times a number, x

2. What type of correlation exist when as One variable increase the other variable decreases?

3. Given the domain {9} determine the range of the function

Y = 3x - 8

4. Which (range or domain) does the following termsRepresent

DependentVertical axisYF(x)

5. Solve for x

4(x-5) = 6x

6. Solve for x

3x – 5 = 5(8-x)

7. Graph 2x + 2y = 6

x 2 4 6 8

y 0 6 12 18

8. Write an equation for this relationship.

9. A printer can make 90 copies in 5 minutes, at this rate, how long will it take it toMake 600 copies?

10. An electrician charges a one time fee of $50For coming to your house. He then will charge$30 per hour. Write the equation that could be used To determine the cost, c of the electrician coming To your home and working h, hours.

11. What is the value of x in the following equation?

3x – 5(x + 2) + 12 = 10

x

y

What function is represented by this graph?

12.

13. For the function f(x) = 3x – 5 find the value of f(-2)

14. Graph the function

½ x + y = 4

15. Using your calculator determine the equation of linearRegression for this set of data.

x y

1 2

3 5

5 8

9 10

16. Fill out the function sheet for the following.

2x – 4y = 12

Graph

Table

Equation

Point Slope

Slope Intercept

Standard Form

Give the value

Slope

Y intercept

X intercept

Is this a function? If so, write in Functional notation and find f(5)

17. Complete the function sheet for a line that is perpendicularTo the line y = -1/3x + 1 and that passes through (1,2)

Graph

Table

Equation

Point Slope

Slope Intercept

Standard Form

Give the value

Slope

Y intercept

X intercept

Is this a function? If so, write in Functional notation and find f(5)

x

y18. Complete the function sheet For this relationship.

Graph

Table

Equation

Point Slope

Slope Intercept

Standard Form

Give the value

Slope

Y intercept

X intercept

Is this a function? If so, write in Functional notation and find f(5)

20. Is the point (3, 2) in the solution set for the function 3x – 4y = -1

x

y23. Write the equation in slope interceptForm that represents this function.

25. Write in scientific notation

1, 345, 000,000

26. Which relationship is not proportional?

x 1 2 3

y 2 3 4

x 3 5 10

y 0.9 1.5 3.0x 2 4 6

y 4 8 12

x 2 4 6

y .1 .2 .3

A

B

C

D