By graphing the function, visually estimate its domain and range.g(x) = x2 - 4
A. Domain: (-?, ?); range: (-?, ?)
B. Domain: [4, ?); range: [4, ?)
C. Domain: [4, ?); range: (-?, ?)
D. Domain: (-?, ?); range :[-4, ?)
Answer: D
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Find the limit.
cos 
A. 0
B. -1
C. 
D. 1
Provide an appropriate response.It took 28 seconds for the temperature to rise from 5° F to 135° F when a thermometer was taken from a freezer and placed in boiling water. Although we do not have detailed knowledge about the rate of temperature increase, we can know for certain that, at some time, the temperature was increasing at a rate of 
° F/sec. Explain.
What will be an ideal response?
Solve the problem. Round your answer, if appropriate.Boyle's law states that if the temperature of a gas remains constant, then PV = c, where 
, 
, and c is a constant. Given a quantity of gas at constant temperature, if V is decreasing at a rate of 10 in. 3/sec, at what rate is P increasing when P = 20 lb/in.2 and V = 70 in.3? (Do not round your answer.)
A. 
lb/in.2 per sec
B. 
lb/in.2 per sec
C. 140 lb/in.2 per sec
D. 35 lb/in.2 per sec
Simplify. Assume that all variables represent positive real numbers.
- 
+ 
A. - 
B. 
C. 
D. 