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