Find the axis of symmetry of the given function.f(x) = 1 - 2x2 + 5x
A. x = - 
B. x = 
C. x = - 
D. x = 
Answer: D
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Insert the correct symbol between the pair of numbers, either < (less than) or > (greater than).1 _____ 8
A. > B. <
Provide an appropriate response.The length of time (in minutes) that a person arriving at a bus stop must wait for a bus is uniformly distributed with density function f(x) = 
where 0 ? x ? 15. Find the mean waiting time and the standard deviation.
What will be an ideal response?
Multiply.-9x2(10x5 + 3x3)
A. -90x7 + 3x3 B. -117x7 - 117x5 C. -117x2 D. -90x7 - 27x5
Solve by graphing.During the month of January 1997, the depth of snow y (in inches) at the base of one ski resort could be approximated by the linear equation 
where x is the number of days since December 31st. Graph the equation and use the graph to estimate the depth of snow on January 30th. 
A. 12 inches B. 7 inches C. 37 inches D. 15 inches