No 27/107 is not irrational because both numbers can be simplified to be a smaller fraction/number.
<span>f(x) = ax2+bx+c, is quadratic equation
</span><span>function opening downward if the a<0,
</span><span>kf(x) = -x², a= -1<0
so the answer is </span><span>B.kf(x) </span><span>
</span>
False because multiple inputs can’t have the same output
Step-by-step explanation:
