Use a trigonometric substitution to evaluate the integral.
A. -0.511
B. 0.064
C. 0.245
D. 0.061
Answer: B
Mathematics
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Predict the end behavior of the graph of the function.f(x) = -1.25x4 - x3 + x2 - 2x + 3
A. Down on left side, up on right side B. Down on both sides C. Up on both sides D. Up on left side, down on right side
Mathematics
Graph the parametric equation for the given interval. Add arrows to show how the curve is traced out. x = 5 sin t, y = 5 cos t; 0 ? t ? 2?
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. -5
B. -5
C. 
D. 
Mathematics
Solve for the indicated variable.ln (x + 4) - ln (y + 1) = ln 5, for x
A. x = e(y + 1) + 5y + 1
B. x = 
C. x = y + 2
D. x = 5y + 1
Mathematics