The surface area S(r) (in square meters) of a spherical balloon with radius r meters is given by S(r)=4². 5 The radius P (1) (in meters) after t seconds is given by P (1)=1. Write a formula for the surface area N (1) (in square meters) of the balloon after t seconds. It is not necessary to simplify. N (1) - X 010 5 π

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