document.write( "Question 976132: A spherical weather balloon is being inflated. The radius of the balloon is increasing at the rate of 3 cm per second. Express the surface area of the balloon as a function of time t (in seconds). If needed you can enter \pi as pi. Recall surface area of a sphere is 4*pi*r^2 .\r
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Algebra.Com's Answer #597785 by solver91311(24713) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( "If the radius is increasing at a rate of 3 cm per second, then

. Substitute

for

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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it\r
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