Unit 2 Review

Solve for x: 
4x + 1 = 7x - 5

• -1
• 2
• 6/11
• 8

Solve for v

C = xv + x

• (C-x)/x = v

• (C+x)/x = v

• (-C-x)/x = v

• (Cx)/x = v

Which is the graph of y= -x + 2?

• A
• B
• C
• D

Solve for x and y
3x + 2y = 16
7x + y = 19

• (-2,5)
• (-2,-5)
• (2,-5)
• (2,5)

g(x) = 3x + 1
g(10) = ______

• 14
• 31
• 15
• -31

g(x) = 3x + 1
g(8) = ______

• 25
• 12
• 6
• 13

Is this mapping a function or not a function? 

• Function
• Not a Function

Is this graph a function or not a function? 

• Function 
• Not a Function

Is this mapping a function or not a function? 

• Function
• Not a Function 

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)