Solve the problem.The function A(r) = 4?r2 gives the surface area of a sphere. Find A(1) and interpret. Round to the nearest hundredth, if necessary.the area when the radius is 1 in.
A. A(1) = 37.7; The value of A(1) is the surface area, in square units when the radius is 1 unit(s).
B. A(1) = 12.57; The value of A(1) is the measure of the radius when the surface area is 1 square unit(s).
C. A(1) = 37.7; The value of A(1) is the measure of the radius when the surface area is 1 square unit(s).
D. A(1) = 12.57; The value of A(1) is the surface area, in square units when the radius is 1 unit(s).
Answer: D
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A. 
B. Does not exist
C. 
D. 
Let 
. If x is divided by 3.02, how is y affected? Round your answer to two decimal places if necessary.
?
A. 0.07 is added to y B. y is multiplied by 1.35 C. y is multiplied by 0.07 D. 1.35 is added to ?y
Use a calculator to solve.A large company decided to reduce the number of its employees. The company decided to fire 
After the reduction the company employed 47,675 people. How people were employed prior to the reduction?
A. 50,778 people B. 44,583 people C. 44,572 people D. 50,767 people
Solve.Elissa sells two breeds of dogs, Alaskan Malamutes and Great Pyrnees. She has 62 feet of fencing to enclose two adjacent rectangular dog kennels, one for each breed. An existing fence is to form one side of the kennels, as in the drawing below. Let x represent the measurement indicated. Express the total area of the two kennels as a function of x. Graph the function and from the graph determine the value of x, rounded to the hundredths place, that will yield the maximum area.
A. 15.50 feet B. 10.50 feet C. 10.67 feet D. 10.33 feet