A.P为线段AB上一动点,作直线PC⊥PO,交直线x=1于点 | B.过P点作直线MN平行于x轴,交y轴于点M,交直线x=1于点N. |
(2)当点C在第一象限时,设AP长为m,四边形POBC的面积为S,请求出S与m之间的函数关系式,并写出自变量m的取值范围;
(3)当点P在线段AB上移动时,点C也随之在直线x=1上移动,△PBC能否成为等腰三角形?如果可能,求出所有能使△PBC成为等腰三角形的点P的坐标;如果不可能,请说明理由.
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2