Rationalize the denominator.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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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, ?)
Mathematics
Graph.x2 - y2 = 8
A. 
B. 
C. 
D. 
Mathematics
The table shown was generated by a graphics calculator. The expression y1 represents f(x).
What is f(1)?
A. 0 B. -2 C. -5 D. Not shown
Mathematics
Solve the problem.One rope pulls a barge directly east with a force of 42 newtons, and another rope pulls the barge directly north with a force of 68 newtons. Find the magnitude of the resultant force acting on the barge.
A. 80 newtons B. 110 newtons C. 26 newtons D. 2900 newtons
Mathematics