Question

Fazer os graficos de cada um:
s=-10=5t
s=12-3t
s=-2-4t

Answer 1

retas passando pelos pontos :
s(t)=-10+5t
s(-1)=-15
s(0)=10
s(1)=5

S(t)=12-3t
S(-1)=15
S(0)=12
S(1)=9

S(t)=-2-4t
S(-1)=2
S(0)=-2
S(1)=-6