Solve for y.4x - 8(x + y) = y - x
A. y = - 
x
B. y = -3x + 9
C. y = -3x
D. y = -3x - 9
Answer: A
Mathematics
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Determine the indefinite integral. Check your work by differentiation.
dx
A. -4x3 - 4x4 + C
B. 
- 
+ 
+ C
C. 
- 
- 
+ C
D. 
- 
- 
+ C
Mathematics
Use implicit differentiation to find dy/dx.
= x2 + y2
A. 
B. 
C. 
D. 
Mathematics
Evaluate the integral.
A. - 
B. 1536
C. - 
D. 
Mathematics
Solve the problem.One fifth of Mary's earned income is deducted from her paycheck for withholdings. Three fourths of the withholdings are for taxes. What fraction of Mary's earned income is deducted for taxes?
A. 
B. 
C. 
D. 
Mathematics