Simplify the complex rational expression.
A. 
B. 
C. - 
D. 
Answer: D
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Find the first few nonzero terms of the Maclaurin series for the given function.f(x) = xecos x
A. ex - e3x3 + . . .
B. ex - 
+ . . .
C. x - 
+ . . .
D. x - x3 + . . .
Find the linearization of the function at the given point.
at 
A. 
B. 
C. 
D. 
Describe the graph of the polar equation. 9r cos ? + r sin ? = 6
A. Vertical line passing through (9, 0) B. Parabola with vertex (9, 6) opening upward C. Line with slope 6 and y-intercept (0, 9) D. Line with slope -9 and y-intercept (0, 6)
Write a linear inequality in two variables to represent the situation.A hiker can carry a maximum of 10.24 pounds of food. Containers of liquid each weigh 1.12 pounds, and containers of dry food each weigh 1.28 pounds. Write a linear inequality that describes the hiker's options for the number of containers of liquid, x, and the number of containers of dry food, y, that she can carry.
A. 10.24x + 1.28y ? 1.12 B. 1.12x + 1.28y ? 10.24 C. 1.28x + 1.12y ? 10.24 D. 1.12x + 1.28y ? 10.24