Evaluate the integral 
.
?
A. 
B. 
C. 
D. 
E. 
Answer: B
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If 
denotes the profit earned from an investment of I dollars, then 
represents the marginal profit.
Answer the following statement true (T) or false (F)
Solve the problem.A box with an open top is to be constructed from a rectangular piece of cardboard with dimensions 11 inches by 24 inches by cutting out equal squares of side x at each corner and then folding up the sides as in the figure. Express the volume V of the box as a function of x.
A. V(x) = (11 - 2x)(24 - 2x) B. V(x) = (11 - x)(24 - x) C. V(x) = x(11 - x)(24 - x) D. V(x) = x(11 - 2x)(24 - 2x)
Determine whether the function is even, odd, or neither.f(x) = 0.72x2 + 
+ 1
A. Odd B. Neither C. Even
Solve the problem.Suppose that P0 is invested in a savings account in which interest is compounded continuously at 5.1% per year. That is, the balance P grows at the rate given by 
Suppose that $8000 is invested. When will the investment double?
A. 13.6 years B. 0.3 years C. 20.4 years D. 27.2 years