Solve the differential equation.
= 4x3e-y
A. y = x4 + C
B. y = ln (x4 + C)
C. y = ln (4x4 + C)
D. y = C ln (x4)
Answer: B
Mathematics
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? 
A. 4
B. 
C. 4
D. 
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Using the variable x, write the interval using set-builder notation.
A. 
B. 
C. 
D. {x| 5 ? x ? 8}
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Point P is on the terminal side of ?. Evaluate the six trigonometric functions for ?. If the function is undefined, write "undefined."P(-7, -9); find cos ?.
A. - 
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