If 
, find 
.
?
A. 
B. 
C. 
D. 
E. 
Answer: A
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Determine the indicated function.A rectangular garden is to be surrounded on three sides by a fence costing $5 per foot and on one side by a stone wall costing $20 per foot. Let x be the length of the side with the stone wall, and let y be the length of each of the other three sides. Express the cost C of enclosing the garden as a function of the length and width.
A. C(x, y) = 20x - 15y B. C(x, y) = (20x)(15y) C. C(x, y) = 15x + 20y D. C(x, y) = 20x + 15y
Provide an appropriate response.Use a calculator to evaluate 392.
A. 1,521 B. 981 C. 78 D. 381
Solve.Acme Computer Products finds that the marginal revenue R in producing x computer networking connectors is given by the polynomial function 
dollars/connector. Find an equivalent expression for R(x) by factoring out 
x.
A. 
x
B. 
x(900 - x)
C. 
x
D. 
x
Solve the problem.The population of a small country increases according to the function 
where t is measured in years. How many people will the country have after 10 years?
A. 2,896,988 B. 2,852,808 C. 1,258,146 D. 2,198,525