(2x^2+3x+5) /(x^2-5x-5), x cannot be

Question

(2x^2+3x+5) /(x^2-5x-5), x cannot be 

 

a) 3.62 and 1.38

b) 0.25 and 1.37

c) 5.2 and -7.8

d) 10.2 and 2.3

Answer 1

Hi Vijaya,

 

The only approach to solve would be to find the roots of the polynomial in the denominator. At these values of x, the function would be undefined. However, none of the choices contain the roots of the denominator polynomial.