Evaluate the exponential function for the given value.f(x) = 51-x, f(4)
A. 
B. 
C. 125
D. -15
Answer: B
Mathematics
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Solve the problem.The sales of a mature product (one which has passed its peak) are given by the function 
where t is time in years. Find the sales after 15 years if 
and 
A. 1882 B. 30,948 C. 1541 D. 941
Mathematics
Provide an appropriate response. South Dakota is approximately the shape of a rectangle. If it averages 202 miles in width and has an area of 77,047 square miles, what is the average length of the state in whole numbers?
A. 77,249 miles B. 381 miles C. 15,563,494 miles D. 381.4 miles
Mathematics
Solve the equation.3(8 - 2x) = 9
A. 8
B. 
C. -3
D. 3
Mathematics
Convert the percent to a decimal.89.4%
A. 0.784 B. 0.894 C. 8.94 D. 0.0894
Mathematics