3 The surface area S in square meters of a hot air balloon

Last updated: 7/11/2023

3 The surface area S in square meters of a hot air balloon is given by S r 4 where r is the radius of the balloon in meters If the radius r is increasing with time t in seconds according to the formula r t t t 0 find the surface area S of the balloon as a function of the time t 4 S t Type an expression using t as the variable Type an exact answer using as needed Use integers or fractions for any numbers in the expression Simplify your answer