Provide an appropriate response.Graph the function f(x) = |x| + 1 and identify its domain and range.
A. Domain: (-?, ?); range: [-1, ?)
B. Domain: (-?, ?); range: [0, -?)
C. Domain: (-?, ?); range: [1, -?)
D. Domain: (-?, ?); range: [1, ?)
Answer: D
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Solve the problem.Find the difference in altitude between an ocean floor 
below sea level and an ocean canyon 
below sea level.
A. -292 feet B. 152 feet C. 292 feet D. -152 feet
Solve the problem.The voltage E in an electrical circuit is given by E = 7.1 cos 80?t, where t is time measured in seconds. Find the frequency of the function (that is, find the number of cycles or periods completed in one second).
A. 80
B. 
C. 40
D. 
Find an equation for the ellipse described.Vertices at (-6, 5) and (12, 5); focus at (10, 5)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
- 
= 1
Use the properties of limits to help decide whether the limit exists. If the limit exists, find its value.
A. 
B. - 
C. 0
D. Does not exist