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Mathematics 20 Online
OpenStudy (anonymous):

A sphere has a radius of 3x+2. Which polynomial in standard form best describes the total surface area of the sphere? Use the formula S=4πr^2 for surface area of a sphere. a. 16πx^2+16π b. 16πx^2+48πx+16π c. 36πx^2+48πx+16π d. 36πx^2+24πx+16π

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