Evaluate the expression.
A. 1
B. 4
C. not a real number
D. 0
Answer: D
Mathematics
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Solve the problem.Mary lives on a corner lot. The neighborhood children have been cutting diagonally across her lawn instead of walking around the yard. If the diagonal distance across the lawn is 
and the longer part of the sidewalk is twice the shorter length, how many feet are the children saving by cutting across the lawn? Round to the nearest foot if necessary.
A. 17 ft B. 13 ft C. 10 ft D. 40 ft
Mathematics
Find the eccentricity of the ellipse.47x2 + y2 = 47
A. 
B. 
C. 
D. 
Mathematics
Find the average value over the given interval.y = mx + b; [-3, 3]
A. 3 B. b C. m D. 0
Mathematics
Use the graph to evaluate the function f(x) at the indicated value of x.Find f(-1).
A. 0.25 B. 0.5 C. -0.5 D. None of these are correct.
Mathematics