Provide the proper response.Discuss the graph of the equation 
+ 
= 1 if a = b.
What will be an ideal response?
If a = b, the graph of the equation is a circle, a special case of an ellipse.
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Simplify the expression.e-ln x8
A. 
B. 
C. -x8
D. 8
Calculate the arc length of the indicated portion of the curve r(t).r(t) = 
t3/2i + (4t sin t)j + (4t cos t)k ; -3 ? t ? 7
A. 120 B. 248 C. 200 D. 132
Solve the problems.The normal gasoline mileage of a car is 44 mpg. On a smooth road, its mileage is 12% higher. What is its mileage on a smooth road? Round your answer to the nearest tenth.
A. 5.3 mpg B. 50 mpg C. 49.3 mpg D. 44 mpg
Provide an appropriate response.What is the relationship between the slopes of two parallel lines?
A. They are equal. B. One slope is the reciprocal of the other. C. There is no general relationship, because the y-intercepts can be different. D. One slope is the negative of the other.