Tell whether a linear model or a quadratic model is appropriate for the data. If a quadratic model is appropriate, then decide also whether the lead coefficient should be positive or negative.
A. Quadratic; leading coefficient positive
B. Quadratic; leading coefficient negative
C. Linear
Answer: B
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Evaluate the integral by first performing long division on the integrand and then writing the proper fraction as a sum of partial fractions.
A. 8x + 8ln
- 
+ 7ln
+ C
B. 8x + 8ln
- 
+ 7ln
+ C
C. 8x + 9ln
+ 
+ 7ln
+ C
D. 
+ 8ln
- 
+ 7ln
+ C
Solve the problem.Suppose that we wish to distribute the two-digit random numbers from 00 through 99 so that the corresponding random numbers can be used to simulate the sightings of UFO's in a given region. If the numbers 00 to 40 correspond to 0 sightings, what is the estimated probability of 0 sightings?
A. It is not possible to tell with the given information.
B. 0
C. 
D. 
Provide an appropriate response.Let f(x, y, z) = ln(x4 + 6y2) - 2z4x2e3y + x20y3. Find 
.
What will be an ideal response?
Perform the indicated operation.-2.690 + (-4.294)
A. -1.604 B. 6.984 C. 11.551 D. -6.984