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Exponential graph question?
A graph has the formula y=ab^x.
The curve passes through the points (0.5,1) and (2,8)
The point (-0.5,k) lies on the curve.
Find the value of k.
2 Answers
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- 1 decade agoFavorite Answer
Whenever you multiply by a negative exponent, the answer will be the reciprocal of the positive exponent. When x= 0.5, y= 1, so when x(the exponent) is -.5, y=1 still. So k=1
hope I helped and I hope it made sense!(:
-Lil(: <33
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