Question 1173497
s(t) =  -  4.9t2 + 7.3t + 10
vertex t value is at -b/2a or -7.3/-9.8=0.7449
f(0.7449)=12.719 m. or 12.7 m,
{{{graph(300,300,-4,4,-15,15,12.7,-4.9x^2+7.3x+10)}}}