What is the discontinuity and zero of the function f(x) = 3x^2+x-4/x-1 ?

a. Discontinuity at (-1, 1), zero at ( 4/3 , 0)
b. Discontinuity at (-1, 1), zero at ( -4/3 , 0)
c. Discontinuity at (1, 7), zero at ( 4/3 , 0)
d. Discontinuity at (1, 7), zero at ( -4/3 , 0)

Question

What is the discontinuity and zero of the function f(x) = 3x^2+x-4/x-1 ? 

a. Discontinuity at (-1, 1), zero at ( 4/3 , 0)
b. Discontinuity at (-1, 1), zero at ( -4/3 , 0)
c. Discontinuity at (1, 7), zero at ( 4/3 , 0)
d. Discontinuity at (1, 7), zero at ( -4/3 , 0)

myininaya · Answer

For what x value makes the function undefined?

myininaya · Answer

Or in other words? When is the bottom 0?