module is graphs and functions, topic is Word problem involving composition of two functions

.::jj::- semts AND mucnous Word problem involving composition of two functions V The surface area S (r) (in square meters) of a spherical balloon with radius r meters is given by SH) = 4mg. 8 The radius PIE?) (in meters) after I seconds is given byP'EI) = 3:. write a formula for the surface area NU) {in square meters) of the balloon after 2? seconds. It is not necessaryr to simplify. N (I) = [D an % SIT