Find the domain of the function.f(x) = log10 
A. (4, ?)
B. (-?, -2) ? (4, ?)
C. (-?, -2)
D. (-2, 4)
Answer: B
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Graph the pair of parametric equations with the aid of a graphing calculator.x = 4(t - sin t), y= 4(1 - cos t), 0 ? t ? 4? 
A. 
B. 
C. 
D. 
Solve the problem.A spherical water tank with an inner radius of 7 m has its lowest point 1 m above the ground. It is filled by a pipe that feeds the tank at its lowest point (see figure). Neglecting the volume of the inflow pipe, how much work is required to fill the tank if it is initially empty? Express the answer in terms of ?. 
A. 
? J
B. 
? J
C. 
? J
D. 
? J
The average speed of a vehicle on a stretch of a route between 6 A.M. and 10 A.M. on a typical weekday is approximated by the function
?
, where 
is measured in miles per hour and 
is measured in hours, with 
corresponding to 6 A.M.
?
At what time of the morning commute is the traffic moving at the slowest rate? What is the average speed of a vehicle at that time?
?
time = __________ A.M.
?
average speed = __________ mph
What will be an ideal response?
Solve the problem, rounding the answer as appropriate. Assume that "pure dominant" describes one who has two dominant genes for a given trait; "pure recessive" describes one who has two recessive genes for a given trait; and "hybrid" describes one who has one of each.Two hybrids produce a litter of four offspring. What is the probability that only the first one is pure recessive?
A. 0.105 B. 0.004 C. 0.422 D. 0.225