Answer:
x=27.5
Step-by-step explanation:
x/4=55/8
Cross multiply:
8x=220
Divide:
8x/8=220/8
x=27.5
Answer:
the inverse is option B.............
<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>