Answer:
Step-by-step explanation:
Was it
Answer:
400
Step-by-step explanation:
5(1+3)^2
(5+15)^2
20^2
400
Answer:
Step-by-step explanation:
h(t)=-16t²+32t+64
=-16(t²-2t)+64
=-16(t²-2t+1-1)+64
=-16(t-1)²+16+64
=-16(t-1)²+80
maximum value=80 and is obtained at t=1