【简答题】函数 f(x)=4sin( 2x 3 + π 6 )-2 (1)当x∈[0,π]时,求f(x)的值域; (2)求f(x)的增区间,并求出当x∈[0,π],求f(x)的增区间.
【单选题】The loss of () from an air compressor could lead to an overheated air discharge and possibly an explosion in the pipelines leading to the air reservoir.
【简答题】已知函数f(x)=2 2x-1 -2 x -4, (1)求f(x)的零点; (2)求f(x)的值域.
【简答题】中医认识病因,通过分析疾病症状、体征来推求,这种方法称之为___。