Write the statement in algebraic form.15 times a number
A. 
B. n + 15
C. 15n
D. 
Answer: C
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Find a particular solution for the differential equation.
= 6x2 - 4x + 20; y = 14 when x = 1
A. y = 2x3 - 2x2 + 20x - 6 B. y = 2x3 - 4x2 + 20x - 4 C. y = 2x3 - 2x2 + 20x + 6 D. y = 6x3 - 4x2 + 20x - 8
Find the inverse of the function.f(x) = -5 - 3x
A. f-1(x) = - 
+ 
B. f-1(x) = - 
- 
C. f-1(x) = -2 - x
D. f-1(x) = 
- 
The owner of a luxury motor yacht that sails among the 4,000 Greek islands charges $600/person/day if exactly 20 people sign up for the cruise. However, if more than 20 people sign up (up to the maximum capacity of 90) for the cruise, then each fare is reduced by $5 for each additional passenger. Assume at least 20 people sign up for the cruise and let x denote the number of passengers above 20. Find a function R giving the revenue/day realized from the charter. ?
A. 
B. 
C. 
D. 
E. 
Solve the problem.A serving of snack crackers contains 2 grams of protein in each 31 gram serving. How many milligrams of protein are in 6 servings?
A. 37,200 mg B. 1200 mg C. 372 mg D. 12,000 mg