Evaluate the expression, given x = -2, y = 3, and a = -4.(-6a)(-4x - 3y)
A. -24
B. 24
C. -144
D. -408
Answer: A
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Evaluate the rational function. If g(t) = , find g(2).
A. g(2) =
B. g(2) =
C. g(2) =
D. g(2) =
Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 60,000 B. 0.06 C. 0.00001667 D. 0.0006
For the given functions f and g , find the indicated composition.f(x) = ,g(x) =
(f?g)(x)
A.
B.
C.
D.
Solve the problem.An airline charter service charges a fare per person of $250 plus $20 for each unsold seat. The airplane holds 200 passengers. Let x represent the number of unsold seats and write an expression for the total revenue R for a charter flight.
A. R(x) = 200(250 + 20x) or 50,000 + 4000x B. R(x) = (200 - x)(250 + 20x) or 50,000 + 4000x - 20x2 C. R(x) = x(250 + 20x) or 250x + 20x2 D. R(x) = (200 - x)(250 + 20x) or 50,000 + 3750x - 20x2