Write an exponential equation (y = ab^x) containing the points (1, 12) and (4,768).

asked Mar 10, 2023 219k views

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Answer:
y=3(4)^x

Explanation:

Substituting the coordinates of the points into the equation,

$12=ab\\\\768=ab^4\\\\\implies (768)/(12)=b^3 \implies b=4\\\\\therefore 12=4b \implies a=3\\\\\therefore y=3(4)^x$

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