Solve the problem.Assume that the sales of a certain appliance dealer are approximated by a linear function. Suppose that sales were $7500 in 2007 and $56,500 in 2012. Let x = 0 represent 2007. Find the equation giving yearly sales y.
A. S(x) = 49,000x + 56,500
B. S(x) = 9800x + 7500
C. S(x) = 49,000x + 7500
D. S(x) = 9800x + 56,500
Answer: B
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Solve the problem.When the volume of a gas changes very rapidly, an approximate relation is that the pressure P varies inversely as the 3/2 power of the volume. If P is 375 kPa when V = 4 cm3, find the derivative of P with respect to V.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Solve. If necessary, round to the nearest tenth.The zoo has hired a landscape architect to design the triangular lobby of the children's petting zoo. In his scale drawing, the longest side of the lobby is 6 cm. The shortest side of the lobby is 2 cm. The longest side of the actual lobby will be 32 m. How long will the shortest side of the actual lobby be?
A. 0.1 m B. 1 m C. 96 m D. 10.7 m
Use the information given about the angle ? to find the exact value of the indicated trigonometric function.csc ? = -
, cos ? > 0Find sin 
.
A. 
B. 
C. -
D. 
Multiply and simplify.
? 
A. 
B. 
C. 
D. 