Solve the problem.An appliance manufacturer has determined that the cost, in dollars, of producing x espresso makers is given by 
x0.5. If the revenue from the sale of x espresso makers is given by 
find the rate at which the average profit per espresso maker is changing when 40 espresso makers have been made and sold. Round to the nearest cent.
A. -$2.52/espresso maker
B. $2.52/espresso maker
C. $2.24/espresso maker
D. -$2.24/espresso maker
Answer: C
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Determine if the series 
defined by the formula converges or diverges.a1 = 5, an+1 = 
an
A. Converges B. Diverges
Find the value(s) of x for which the slope of the curve y = f(x) is 0.f(x) = 
A. x = -3 - 2
B. x = -3 ± 2
C. x = -3 + 2
D. x = 3 ± 2
Evaluate the expression, if possible.32-4/5
A. - 
B. 
C. 16
D. not a real number
A toy making company has at least 300 squares of felt, 700 oz of stuffing, and 230 ft of trim to make dogs and dinosaurs. A dog uses 1 square of felt, 4 oz of stuffing, and 1 ft of trim. A dinosaur uses 2 squares of felt, 3 oz of stuffing, and 1 ft of trim.It costs the company $1.09 to make each dog and $1.34 for each dinosaur. The company wants to minimize its costs. How much will it cost if the supply of trim is reduced to at least 100 ft?
A. $218 B. $109 C. $243 D. $134