Solve.x2 + 4x - 45 = 0
A. x = -45, x = 0
B. x = -5, x = - 9
C. x = 5, x = - 9
D. x = -5, x = 9
Answer: C
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Without graphing, determine whether the following data set is exactly linear, approximately linear or nonlinear.
A. exactly linear B. approximately linear C. nonlinear
Solve the problem. Give the answer to the nearest thousandth if necessary.A long-distance runner runs 4 miles south and then 9 miles east. How far is the runner from the starting point? 
East --9 mi-->
A. 13 mi B. 9.849 mi C. 5.099 mi D. 10.849 mi
T is Exponential (2). 13
Find E ( X ), Var ( X ), and SD( X ) for the given random variable
Write the equation of the graph in its final position.The graph of y = 2x is translated 7 units to the right, reflected in the y-axis, and then translated 9 units downward.
A. y = 2ex - 7 + 9 B. y = 2-x + 7 - 9 C. y = 2-x - 7 - 9 D. y = 2x + 7 + 9