The graph of a function is given. Find the indicated function value.g(-1.2)
A. 4.238
B. -2.5
C. 0.352
D. 3
Answer: C
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Solve the problem.Suppose that R ={(x, y): 0 ? x ? 4, 0 ? y ? 4}, and P is the partition of R into four equal squares by the lines x =2 and y = 2. 
approximate 
dA, by calculatiang the Riemann sum 
, assuming that 
are the centers of the four squares.
A. 320 B. 1280 C. 640 D. 140
Solve.A window is in the shape of a square topped by a semicircle. The side of the square is x cm and the window cannot be wider than 160 cm. Find the function for the area of the window and the domain of the function.
A. A = x2 + 
?x2 : 0 < x ? 160
B. A = x2 + 
?
2 : 0 < x ? 1602 + 
?
2
C. A = 4x2 + 
?x2 : 0 < x ? 160
D. A = x2 + 
?
2 : 0 < x ? 160
Solve. Simplify if possible.At an advertising agency that employs 232 people, 115 employees receive 3 weeks of paid vacation each year. Find the ratio of those who receive 3 weeks of paid vacation those whose paid vacation is not 3 weeks.
A. 
B. 
C. 
D. 
Solve the problem.The number of traffic accidents has been decreasing in a certain county each year. The data is shown in the table for several recent years. The set of data can be approximated with a linear equation.
Calculate the slope of the line.
A. -156 B. 88 C. -78 D. -88