Question

Using the given equation h=-t^2+8t solve.

Answer 1

Explanation:

hello :

h(t) = -t²+8t

the highest point is the vertex of this prabola (-b/2a ; h(t) )

a= -1 and b= 8 -b/2a = - (8)/2(-1) = 4

h(4) = -(4)²+8(4) = -16+32 = 16

first answer : 16

second answer : 4