Select the correct graph, showing f and g are inverse functions.
?
?
A. ?
B. ?
C. 
D. 
E. 
Answer: E
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Identify the type of surface represented by the given equation.
+ 
= 2
A. Paraboloid B. Ellipsoid C. Parabolic cylinder D. Elliptical cylinder
Evaluate the expression.-23 + 9
A. 14 B. 32 C. -32 D. -14
Provide an appropriate response.The height of an object thrown in the air depends on the time since it has been thrown. For a particular situation the height in meters of an object after t seconds can be represented by h(t) = 20t - 4.9t2.(a)What is the height of the object if the time is x seconds?(b)If the time is increased by 2 seconds, how much higher is the object?(c)How much higher is the object per second increase?(d)If the time is increased by h, how much higher is the object?(e)How much higher is the object per unit increase?
What will be an ideal response?
Use Descartes' Rule of Signs to determine the possible number of positive and negative real zeros for the function. Then, use a graph to determine the actual number of positive and negative real zeros.P(x) = -6x4 - 6x3 - 4x2 - 5x + 7
A. possible: 0 or 2 pos, 0 or 2 neg
actual: 2 pos, 0 neg
B. possible: 1 pos, 1 or 3 neg
actual: 1 pos, 1 neg
C. possible: 1 pos, 1 neg
actual: 1 pos, 1 neg
D. possible: 1 pos, 1 or 3 neg
actual: 1 pos, 1 neg