Solve the problem.Find the derivative of the function 
at the point 
in the direction in which the function decreases most rapidly.
A. - 
B. - 
C. - 
D. - 
Answer: A
Mathematics
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Identify the type of surface represented by the given equation.
+ 
+ 
= 1
A. Ellipsoid B. Sphere C. Elliptical cone D. Paraboloid
Mathematics
Divide. Write a mixed numeral for the answer whenever possible.26
÷ (-16)
A. -1
B. -1
C. -
D. 1
Mathematics
Solve the formula for the specified variable.S = 2?rh + 2?r2
for h
A. h = S - r
B. h = 2?(S - r)
C. h = 
D. h = 
- 1
Mathematics
Use a calculator to find the approximate value of the expression rounded to two decimal places.cot 
A. 3.73 B. 218.94 C. 218.85 D. 3.64
Mathematics