Answer 20 I just did that question
Answer:
I had done already.thanks for huge point and heart.
-1<span> ≤ r/3
-1 </span><span> ≤ (r</span><span>÷3)
(r</span>÷3) <span>≥ -1
r/3 </span><span>≥ -1 </span>
Hello,
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f(x)=a(x-6)²+2
f(0)=-70==>a(-6)²+2=-70===>36a=-72==>a=-2
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