Mathematics
高中
已解決
1枚目が私の間違えで、2枚目が答えです。
なぜ私の答えがダメなのですか?何故か答えに納得いきません…。
Sara kicked a football. The height of the ball (in meters above the ground) を seconds after Sara kicked it is
modeled by
ヵ(0 ニー5だ二204
Sara wants to know the height of the ball above the ground at its highest point.
1) Rewrite the function in a different form (factored or vertex) where the answerappears as a number in
the equation.
の=| 一57(7ー4)
2) At ts highest point, how farabove the ground was the ball
4 meters
1) The vertex form of the function reveals when the ball reaches its highest point:
(=ニー5(》一2)*十20
2) At its highest point, the ball was 20 meters above the ground.
解答
您的問題解決了嗎?
看了這個問題的人
也有瀏覽這些問題喔😉
t=4は地面についた時の「時間」です
h(t)の値とtの値を勘違いしている気がします。
h(t)は高さ、tは時間です。