Solve the problem.An economist predicts that the buying power B(x) of a dollar x years from now will be given by the formula 
How much will today's dollar be worth in 2 years? Round the answer to the nearest cent.
A. $1.21
B. $0.08
C. $0.56
D. $0.78
Answer: B
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Calculate the number of subsets and the number of proper subsets for the set.the set of words describing the colors on a stoplight
A. 16; 15 B. 8; 7 C. 7; 8 D. 15; 16
Suppose ABC is a right triangle with sides of lengths a, b, and c and right angle at C. Find the unknown side length using the Pythagorean theorem and then find the value of the indicated trigonometric function of the given angle. Rationalize the denominator if applicable.Find csc A when b = 24 and c = 51
A. 
B. 
C. 
D. 
Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Two marbles are drawn from a bag in which there are 4 red marble and 2 blue marble. The number of blue marbles is counted.
A. 
B. 
C. 
D. 
The function f is one-to-one. Find its inverse.f(x) = (x - 7)3
A. f-1(x) = 
+ 7
B. f-1(x) = 
+ 343
C. f-1(x) = 
- 7
D. f-1(x) = 
+ 7