Solve the problem.An economist predicts that the buying power B(x) of a dollar x years from now will decrease according to the formula B(x) = 0.46x. How much will today's dollar be worth in 3 years? Round to the nearest cent.
A. $0.79
B. $0.10
C. $1.38
D. $1.66
Answer: B
Mathematics
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Completely factor the polynomial or state that the polynomial is prime.25x2 - 1
A. (5x - 1)(5x + 1) B. (5x - 1)2 C. prime D. (5x + 1)2
Mathematics
Find the area of the parallelogram.
A. A = 4.25 cm2 B. A = 11.8 cm2 C. A = 5.9 cm2 D. A = 8.5 cm2
Mathematics
Solve the problem.A triangular lake-front lot has a perimeter of 1500 feet. One side is 400 feet longer than the shortest side, while the third side is 500 feet longer than the shortest side. Find the lengths of all three sides.
A. 100 ft, 200 ft, 300 ft B. 300 ft, 700 ft, 800 ft C. 300 ft, 300 ft, 300 ft D. 200 ft, 600 ft, 700 ft
Mathematics
For the given functions f and g, find the requested composite function.f(x) = 
, g(x) = 2x + 7;
Find (g ? f)(x).
A. x + 14
B. x
C. 2x + 7
D. x - 
Mathematics