book Maths Puzzle Numerical Ability

how do you give the domain and the range?
can yo please help me!!!

Read Solution (Total 0)

book Other Question

(x-1)^2/4 +y^2 = 4
What is the equation of the ellipse in general form?
If 75 percent of a class answered the first question on a certain test correctly, 55 percent answered the second question on the test correctly, and 20 percent answered neither of