Respuesta :

ghanami

Answer:

Step-by-step 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

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