Asked by Anonymous
State the domain and range for each function.
y=2x^2/(x^2-1)
domain: ?
range: ?
y=2x^2/(x^2-1)
domain: ?
range: ?
Answers
Answered by
bobpursley
domain x canot be +-1
range: all positive real numbers, including zero.
range: all positive real numbers, including zero.
Answered by
Anonymous
thank you.
Answered by
Steve
range is all positive >2, as well as all negative
On the interval (-1,1) the numerator is positive and the denominator is negative.
On the interval (-1,1) the numerator is positive and the denominator is negative.