Question

I need help! Can someone please answer this question?

What are the restrictions of q²+3q-4 over q²-7q-8, and why?

A. q≠ -1 and q≠ 8
B. q≠ -1 and q≠4
C. q≠ 1 and q≠-8

Answer 1

`(q^2+3q-4)/(q^2-7q-8)\\\\\text{The restrictions of experssion}\\\\q^2-7q-8\\eq0\\\\q^2+q-8q-8\\eq0\\\\q(q+1)-8(q+1)\\eq0\\\\(q+1)(q-8)\\eq0\iff q+1\\eq0\ \wedge\ q-8\\eq0\\\\Answer:\ \boxed{A.\ q\\eq-1\ and\ q\\eq8}`