You are hiking in a hilly region, and E is your elevation at time t.
?
A: Explain in practical terms the meaning of 
.
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B: Where might you be when is a large positive number?
?
C: Where might you be when 
?
?
D: Where might you be when is a large negative number?
What will be an ideal response?
A: is the change in elevation we expect over one unit of time.
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B: You might be ascending a hill.
?
C: You might be at the peak of a hill, at the bottom of a valley, or stopped.
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D: You might be descending a hill.
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Identify the type of surface represented by the given equation.
+ 
+ 
= 1
A. Ellipsoid B. Sphere C. Elliptical cone D. Paraboloid
Perform the indicated operations and express the result in the requested form.
2; express in rectangular form
A. -53.62 + 180.19j B. 5282.46 + 7083.11j C. -2519.93 + 8469.05j D. -26.81 + 90.10j
Answer the following statement(s) true (T) or false (F)
Curricula that utilize guided investigation aim to have students re-invent all of the mathematics they need to learn on their own.
Solve the problem.In 5 years, only 2.2% of the current internet businesses will still be operating. Use the exponential model 
to determine the annual rate of internet business failures.
A. 33% B. 69% C. 0.2% D. 76%