Find all the local maxima, local minima, and saddle points of the function.
A. f
= 
, local minimum
B. f
= 
, local minimum
C. f(30, 30) = 297,000, local maximum
D. f(0, 0) = 0, saddle point
Answer: D
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Write the number in scientific notation.0.000818
A. 8.18 × 10-4 B. 8.18 × 10-3 C. 8.18 × 104 D. 8.18 × 10-5
Solve the problem.The height s of a ball (in feet) thrown with an initial velocity of 90 feet per second from an initial height of 5 feet is given as a function of time t (in seconds) by 
What is the maximum height? Round to the nearest hundredth, if necessary. 
A. -98.12 ft B. 145.63 ft C. 126.88 ft D. 131.56 ft
Add or subtract. Write the answer in lowest terms.
- 
A. 
B. 
C. 
D. 
Provide an appropriate response.Correct and explain the error that a student made when he added 0.22 + 2 + 50.2 this way: 
5 4.4
What will be an ideal response?