Write the equation of a polynomial function with the given characteristics. Use a leading coefficient of 1 or -1 and make the degree of the function as small as possible.Touches the x-axis at 0 and crosses the x-axis at 2; lies below the x-axis between 0 and 2.
A. f(x) = -x3 - 2x2
B. f(x) = x3 - 2x2
C. f(x) = x3 + 2x2
D. f(x) = -x3 + 2x2
Answer: B
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Take west to be the positive direction. You are driving in a westerly direction up a straight road. You pass a sign that says Elevation 1883 feet. Also, 5 horizontal miles further you see a sign that says Elevation 3350 feet. What is the slope of the road you are driving on? ?
A. 293.40 feet per mile B. 670.00 feet per mile C. 293.94 feet per mile D. 670.86 feet per mile
Find the work done by the force field F in moving a particle along the curve C.F = 6zi + 4xj + 7yk; C: x = t, y = t, z = t, 0 ? t ? 1
A. 17
B. 
C. 
D. 34
The line graph shows the pollution rate for a certain lake over six decades. Use the graph to answer the question. 
Find an estimate for the pollution rate of the lake at the beginning of decade 6.
A. 1.5% B. 3% C. 1% D. 2.5%
If r is a positive number and the point (x, y) is in the indicated quadrant, decide whether the given ratio is positive or negative.III, 
A. Negative B. Positive