Evaluate
4000eny
Differentiate w.r.t. n
4000ey
Graph
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eny\times 160\times 25
The absolute value of a real number a is a when a\geq 0, or -a when a<0. The absolute value of 160 is 160.
eny\times 4000
Multiply 160 and 25 to get 4000.
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