Answer:
manda a foto da atividade
i. think. its. c.
15x+10-8x+2
7x+12
Step-by-step explanation:
y = 6
y = 0
When, x = -2
When, x = 0
When, x = 4
0=65-10t-5t^2
now what you want to do is multiply a and c
-5(t^2+2t-13)
Now just find the zeros