Express the vector as a product of its length and direction.
j - 2k
A. 
B. 
C. 
D. 
(j - k)
Answer: B
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Find the inverse of the function.f(x) = 3x3 - 2
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
+ 2
Solve the problem.The graph of a function is given below. Tell whether the graph could possibly be the graph of a polynomial function. If it could be the graph of a polynomial function, tell which of the following are possible degrees for the polynomial function: 3, 4, 5, 6.
A. yes; 4 only B. yes; 3 only C. yes; 5 only D. yes; 3, 5
Solve the problem.The shelf life (in days) of a perishable drug is a continuous random variable with probability density function f(x) as shown below. f(x) = 
Find the median shelf life.
A. 125 days B. 25 days C. 5 days D. 15 days
Find the accumulated amount A if the principal P = $170,000 is invested at the interest rate of r = 8% per year for t=4 1/2years, compounded monthly. Please round your answer to the nearest cent.
A = $ __________