Multiply or divide the rational numbers. Express the product or quotient as a rational number in lowest terms.-
÷ 
A. -
B.
C.
D. -
Answer: C
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Find the indicated vector.Let u = , v =
. Find u - v.
A.
B.
C.
D.
Multiply.
A. - 8
B.
C. -
D.
Solve the problem.The year y when sales were s million dollars for a particular electronics company can be modeled by the radical equation y = 1.2 - 6, where y = 1 represents 2010, and so on. Describe the transformations needed to obtain the graph of this function from the graph of y =
.
A. Shift 4 units to the right, stretch vertically by a factor of 1.2, and shift down by 6 units. B. Shift 4 units down, stretch vertically by a factor of 1.2, and shift 6 units to the right. C. Shift 4 units to the left, stretch vertically by a factor of 1.2, and shift down by 6 units. D. Shift 1.2 units to the right, stretch vertically by a factor of 4, and shift down by 6 units.
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) =
A.
B.
C.
D.