You inherited a triangular piece of property after your Uncle Izzy passed away. You want to know the size of land, so you "step it off" to estimate the square footage. From the southernmost vertex A, you travel north 300 feet then west 220 feet (for vertex C), and from the southernmost vertex A, you travel 420 feet north then 50 feet west (for vertex B). Use a graphing utility to approximate the number of square feet of land that you have inherited.
A. 3,000 square feet
B. 38,700 square feet
C. 53,700 square feet
D. 43,500 square feet
E. 22,500 square feet
Answer: B
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A. ?
B. 0
C. - 
D. 
The graph of a piecewise-defined function is given. Write a definition for the function. 
A. 
B. 
C. 
D. 
State the domain and range of the one-to-one functions f and f-1.f(x) = 
A. f(x): domain (-?, ?), range (-?, ?);
f-1(x): domain (-?, ?), range (-?, ?)
B. f(x): domain (-?, ?), range 
? 
;
f-1(x): domain 
? 
, range (-?, ?)
C. f(x): domain (-?, -2) ? (-2, ?), range (-?, 0) ? (0, ?);
f-1(x): domain (-?, 0) ? (0, ?), range (-?, -2) ? (-2, ?)
D. f(x): domain 
? 
, range (-?, -2) ? (-2, ?);
f-1(x): domain (-?, -2) ? (-2, ?), domain 
? 
Find the weekly gross earnings. Overtime is paid at the time-and-a-half rate for hours over 40 per week.
A. $529.00 B. $460.00 C. $552.00 D. $563.50