Write the domain of f in interval notation.f(x) = 
A. [1, ?)
B. [-1, ?)
C. (-1, ?)
D. (1, ?)
Answer: A
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Solve the problem.Find the work done in pumping the water out of the top of a cylindrical tank 6.0 ft in radius and 13.0 ft high, given that the tank is initially full and the water weighs 62.4 lb/ft3.
A. 5.96 x 105 ft?lb B. 3.57 x 106 ft?lb C. 3.98 x 105 ft?lb D. 9.94 x 104 ft?lb
Provide an appropriate response.The equation y = x2 is satisfied by the points (2,4) and (-2,4). A horizontal line may be drawn between these two points. Is y = x2 a function? Why or why not?
What will be an ideal response?
Evaluate or simplify the expression without using a calculator.log 
A. -2
B. - 
C. 2
D. 
Solve the equation and express the solution in exact form using either ln or log as indicated.3x = 81
Express the answer using ln.
A. {ln 27}
B. 
C. {ln 12}
D. 