Find the exact value of the expression.sin (tan-1 2)
A. 2
B. 
C. 
D. 5
Answer: C
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Solve the problem.Let f(x) = 
. Find a function y = g(x) so that (f ? g)(x) = x.
A. g(x) = 
B. g(x) = 
C. g(x) = x(x - 8)
D. g(x) = 
Solve the problem.An auxiliary fuel tank for a helicopter is shaped like the surface generated by revolving the curve 
- 5 ? x ? 5, about the x-axis (dimensions are in feet). If a cubic foot holds 7.481 gallons and the helicopter gets 3 miles to the gallon, how many additional miles will the helicopter be able to fly once the tank is installed (to the nearest mile)?
A. 188 B. 125 C. 94 D. 376
Find the equation of the line passing through the indicated two points in standard form.(7, -1) and (-5, 6)
A. 7x + 12y = 37 B. -8x + 11y = -26 C. 8x - 11y = -26 D. -7x + 12y = 37
Find the product.-9x7(2x6 + 10x4 + 10)
A. -18x6 - 90x7 - 90 B. -18x13 + 10x7 + 10 C. -18x13 - 90x11 - 90x7 D. -18x13 - 90x11