A.图形A先向右平移4格,再向下平移2格,然后以直径所在的直线作轴对称图形得到图形B |
B.图形A先向下平移2格,再向右平移4格,然后以直径所在的直线作轴对称图形得到图形B |
C.图形A先以直径所在的直线作轴对称图形,再向下平移4格,再向右平移2格,得到图形B |
D.图形A先以直径所在的直线作轴对称图形,再向右平移4格,再向下平移2格,得到图形B |
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