Find the distance between the points, and find the midpoint of the line segment joining them.(?, 0) and (?/4, 1)
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Answer: C
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Solve the problem.The sparks from an emery wheel to sharpen blades fly off tangent to the wheel. Find the equation along which sparks fly from a wheel described by x2 + y2 = 89, at (5, 8).
A. 5y - 8x - 80 = 0 B. 5y + 8x - 80 = 0 C. 8y + 5x - 89 = 0 D. 8y - 5x - 89 = 0
Find the domain of the function.
Find a polynomial function f(x) of least possible degree having the graph shown.
A. f(x) = 
(x + 2)(x - 3)
B. f(x) = 
(x + 2)(x - 3)2
C. f(x) = 
(x - 2)(x + 3)
D. f(x) = 
(x - 2)(x + 3)2
Solve the problem.The perimeter of a rectangle is 38 m. If the width were doubled and the length were increased by 14 m, then the perimeter would be 78 m. What are the dimensions?
A. Width: 4 m; length: 9 m B. Width: 9 m; length: 9 m C. Width: 6 m; length: 13 m D. Width: 13 m; length: 6 m