Perform the indicated operation. Simplify the answer when possible.
? 
- 7
A. -7( 
+ 7
)
B. -2
C. 18
D. 5
Answer: B
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Graph the function. State the domain and range.y = -2x2 - 20x - 55
A. 
Domain: ? Range: y ? - 5
B. 
Domain: ? Range: y ? - 5
C. 
Domain: ? Range: ?
D. 
Domain: ? Range: y ? - 5
Round the number to the place indicated.Round to the nearest hundredth: 13.8488
A. 13.849 B. 13.85 C. 13.848 D. 13.86
Classify the triangle as acute, obtuse, or right.
A. obtuse B. acute C. right
Solve the problem.The average daily metabolic rate for a hippopotamus living in the wild can be expressed as a function of weight by 
where w is the weight of the hippopotamus (in kg) and m is the metabolic rate (in kcal/day). Determine dm/dt for a 
hippopotamus that is gaining weight at a rate of 33 kg/day.
A. 434 kcal/day2 B. 579 kcal/day2 C. 13 kcal/day2 D. 24,930 kcal/day2