2.
根据图中数据可求阴影部分的面积和为( )
| A. | 12 | B. | 10 | C. | 8 | D. | 7 |
11.已知二次函数y=x2的图象上有一点P(1,1),若将该抛物线平移后所得的二次函数表达式y=x2-2x-1,则点P经过该次平移后的坐标为( )
0 291891 291899 291905 291909 291915 291917 291921 291927 291929 291935 291941 291945 291947 291951 291957 291959 291965 291969 291971 291975 291977 291981 291983 291985 291986 291987 291989 291990 291991 291993 291995 291999 292001 292005 292007 292011 292017 292019 292025 292029 292031 292035 292041 292047 292049 292055 292059 292061 292067 292071 292077 292085 366461
| A. | (2,1) | B. | (2,-1) | C. | (1,-2) | D. | (0,5) |