Solve the problem.Find the distance in kilometers between the cities whose latitudes are given. Assume that the cities are on a north-south line and that the radius of the earth is 6400 km. City E, 10°N and city F, 62°S
A. 8050 km
B. 5808 km
C. 5800 km
D. 8042 km
Answer: D
Mathematics
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Find the limit.
x
A. 1 B. 0 C. 3 D. ?
Mathematics
Simplify.
A. - 
B. 
C. 
D. 
Mathematics
Find the difference quotient, 
, for the function and simplify it.p(x) = 3 - 8x3
A. -9x2 B. -8(3x2 - 3x - h) C. -8(3x2 + 3xh + h2) D. -8(x2 - xh - h2)
Mathematics
Solve the problem.The cost of producing x thousand units of a certain product is given by 
, for x ? 150. Write a rational expression that gives the average cost per unit when x thousand are produced. Then find the average cost per unit when 30,000 units are produced.
A. 
; $10,622.00
B. 
; $10.62
C. 
; $157.21
D. 
; $10.62
Mathematics