Tell whether a linear model or a quadratic model is appropriate for the data. If linear, tell whether the slope should be positive or negative. If quadratic, decide whether the leading coefficient a of x2 should be positive or negative.
A. quadratic; negative
B. linear; positive
C. quadratic; positive
D. linear; negative
Answer: B
Mathematics
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Provide an appropriate response.The region shown here is to be revolved about the y-axis to generate a solid. Which of the methods (disk, washer, shell) could you use to find the volume of the solid? How many integrals would be required in each case?
What will be an ideal response?
Mathematics
Solve the formula for the specified variable.
+ 
= 
for c
A. c = 
B. c = ab(a + b)
C. c = 
D. c = a + b
Mathematics
Evaluate.82
A. 65 B. 16 C. 17 D. 64
Mathematics
Find the slope of the line, or state that the slope is undefined.
A. 0 B. Undefined C. -6 D. 6
Mathematics