If a polynomial function f(x) has roots 0, 4, and 3 + startroot 11 endroot, what must also be a root of f(x)? 3 + i startroot 11 endroot negative 3 + i startroot 11 endroot 3 minus startroot 11 endroot negative 3 minus startroot 11 endroot

3 − √11

Step-by-step explanation:

For polynomials with rational coefficients, any radical roots must come in conjugate pairs.  To find the conjugate, simply reverse the sign of the radical.

3/5

step-by-step explanation:

double number line is not a standard concept, so it must have been defined in your textbook. assume top line is numerator.