Find the requested function value for the given function. Round the answer to the nearest tenth when necessary.If f(x) = 
, find the value of f(3).
A. 10
B. 2.4
C. 6
D. 3.2
Answer: D
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Use a graphing calculator to solve the system.3x - y = 164x + y = 26
A. {(2, 6)} B. {(6, 2)} C. {(6, 3)} D. ?
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
Subtract.(5m2 + 2m + 2) - (-9m2 - 7)
A. 14m2 + 2m + 9 B. -4m2 + 2m - 5 C. 14m2 + 9m + 2 D. -4m2 + 9m + 2
Solve.Find the discount when the original price is $307.50 at a discount of 30%.
A. $9.23 B. $92.25 C. $215.25 D. $298.28