Solve the equation.
= 5 - 2x
A. 
B. 
C. {5}
D. 
Answer: A
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Provide an appropriate response.Explain the difference between exact interest and ordinary or banker's interest.
What will be an ideal response?
Solve the problem.The concentration, in parts per million, of a particular drug in a patient's blood x hours after the drug is administered is given by the function, f(x) = -x4 + 6x3 - 14x2 + 24x. How many hours after the drug is administered will it be eliminated from the bloodstream.
A. 4 hours B. 5 hours C. 10 hours D. 6 hours
Solve.
= 
A. 
B. 
C. - 
D. No solution
Use the Pythagorean Theorem to find the unknown length. Give the exact answer in simplified form. Then give an approximate answer rounded to two decimal places when necessary.
A. x = 10; x ? 3.16 B. x = 277; x ? 16.64 C. x = 115; x ? 10.72 D. x = 19; x ? 4.36