You are jumping on a trampoline. Your height y (in feet) above the trampoline after t seconds can be represented by y=-16t^2+24t. How many seconds are you in the air?
+26398 You are jumping on a trampoline. Your height y (in feet) above the trampoline after t seconds can be represented by y=-16t^2+24t. How many seconds are you in the air?
y=−16t2+24ty(t)=0−16t2+24t=0t(−16⋅t+24⏟=0)=0−16⋅t+24=0−16⋅t+24=|−24−16⋅t=−24|:(−16)t=−24−16t=2416t=32t=1.5 seconds
