Subtract.6,859
A. 6,340
B. 6,346
C. 346
D. 6,320
Answer: B
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Provide an appropriate response.Simplify the power of: i23
A. 1 B. i C. -1 D. -i
Combine like terms when possible. -2y - 6y
A. 12y B. 8y C. -8y2 D. -8y
Evaluate the expression without using a calculator.161/4
A. 16 B. 2 C. 32 D. 8
The Millcreek watershed area was heavily strip-mined for coal during the late 1960s. Because of the resulting pollution, the streams cannot support fish. Suppose the cost C of obtaining stream water that contains p percent of the current pollution levels is given by 
. Because p is the percent of current pollution levels,
src="https://sciemce.com/media/3/ppg__cognero__Chapter_01_Linear_Equations_and_Functions__media__38e53ae8-7948-40d8-b747-3d7148cf77a7.PNG" style="vertical-align:middle;" />. Use the restriction on p and determine a range for C so that an accurate graph can be obtained with a graphing utility. Describe what happens to the cost as p takes on positive values near 0. ? A. Near p = 0, the cost approaches $2,860. B. Near p = 0, the cost grows without bound. C. Near p = 0, the cost approaches $286,000. D. Near p = 0, cost approaches $0. E. Near p = 0, the cost becomes negative.