60. The rational function graphed in the standard (x, y)coordinate plane below is undefined for 2 real values of x.

One of the following functions is the graphed function. Which one?

Answer and Explanation

Your Answer is

Correct Answer is J

Explanation

First of all, the original formula cannot be equal to -2 or 0, so G and H are excluded; F is simplified to y=1/x, J is simplified to y=1/x2, K Simplified to y=1/[x(x+2)]; According to the function image, no matter what value x takes, the value of y is not negative, so only J is suitable.