Respuesta :
Answer:
y=0
Step-by-step explanation:
1) lets substitute "40" as x:
y=-0.1(40)^2+4(40)
2)simplify
y=-0.1(1600)+160
y=-160+160
y=0
Answer:
y=0
Step-by-step explanation:
1) lets substitute "40" as x:
y=-0.1(40)^2+4(40)
2)simplify
y=-0.1(1600)+160
y=-160+160
y=0