Solve the problem.A homeowner wants to know how much grass seed to buy. First the size of the yard must be determined. Use the drawing to determine the area of the yard.
A. The area of the yard is 10,328 square feet.
B. The area of the yard is 5236 square feet.
C. The area of the yard is 5624 square feet.
D. The area of the yard is 4704 square feet.
Answer: D
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Solve.The shadow cast by an object on a sunny day varies directly as the height of the object. If a person 82 inches tall casts a shadow 63 inches long, how tall is a tree which casts a shadow 32 feet in length?
A. 161.44 ft B. 41.65 ft C. 72.5 ft D. 24.59 ft
Solve using the addition and multiplication principles together.54 = 8x - 2
A. 7 B. 48 C. 8 D. 52
Solve the problem.An employee earned $17,027 this year. This was a raise of 10% over last year. What was his salary last year? Round to the nearest dollar, if necessary.
A. $16,857 B. $15,324 C. $15,479 D. $17,017
The function f is one-to-one. State the domain and the range of f and f-1. Write the domain and range in set-builder notation.f(x) = 
A. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
B. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
C. f(x): D is all real numbers, R is all real numbers;
f-1(x): D is all real numbers, R is all real numbers
D. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 