Add the numbers using the number line.2 + (-6) 
A. 8
B. -8
C. 4
D. -4
Answer: D
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Determine whether the graph is that of a function. If it is, use the graph to find its domain and range, the intercepts, if any, and any symmetry with respect to the x-axis, the y-axis, or the origin.
A. function
domain: {x|-1 ? x ? 1}
range: {y|-? ? y ? ?}
intercepts: (-?, 0), (- 
, 0), (- 
, 0), (- 
, 0), (0, 0), (
, 0), (
, 0), (
, 0), (
, 0), (?, 0)
symmetry: none
B. function
domain: all real numbers
range: {y|-1 ? y ? 1}
intercepts: (-?, 0), (- 
, 0), (- 
, 0), (- 
, 0), (0, 0), (
, 0), (
, 0), (
, 0), (
, 0), (?, 0)
symmetry: origin
C. function
domain: {x|-? ? x ? ?}
range: {y|-1 ? y ? 1}
intercepts: (-?, 0), (- 
, 0), (- 
, 0), (- 
, 0), (0, 0), (
, 0), (
, 0), (
, 0), (
, 0), (?, 0)
symmetry: origin
D. not a function
Determine whether the following is true or false.(A ? B) ? (A ? C) = (A ? B) ? (B ? C)
A. True B. False
Solve for y.y - 9(x + 5) = 6 + 2y
A. y = 9x + 39 B. y = 9x + 51 C. y = -9x - 51 D. y = -9x + 51
Solve the problem.The value of a stock is given by the function 
where V is the value of the stock after time t, in months. When will the value of the stock be 
?
A. 0.3 months B. 1.5 months C. 1.8 months D. 3.1 months