Provide an appropriate response.On the given graph of y = cot x sketch the graph of y = cot-1 x as defined in the text. Give the domain and the range.
What will be an ideal response?
Domain = (-?, ?), range = (0, ?)
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Combine like terms.9x - 3x
A. 12x B. 6x C. -27x D. 6 + x
Solve the problem.Noah and Ben are running in the Walker Street Fun Run. Noah runs at 7 mph, Ben at 5 mph. If they start at the same time, how long (in minutes) will it be before they are 
mile apart?
A. 40 min B. 10 min C. 6 min D. 90 min
Simplify the given expression.(0.9)2
A. 0.81 B. 81 C. 1.8 D. 0.45
Solve.Chandra has 5 liters of a 18% solution of sodium hydroxide in a container. What is the amount and concentration of sodium hydroxide solution she must add to this in order to end up with 9 liters of 22% solution?
A. 4 liters of 28% solution B. 4 liters of 25% solution C. 4 liters of 27% solution D. 4 liters of 30% solution