已知函数f(x)=(1/2)^Asin(kx/5+π/3)(k,A≠0,k属于Z且A属于R)(1)试求f(x)最大值,最小值;(2)若A>0,丨k丨=1,试指出f(x)的单调区间.
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![已知函数f(x)=(1/2)^Asin(kx/5+π/3)(k,A≠0,k属于Z且A属于R)(1)试求f(x)最大值,最小值;(2)若A>0,丨k丨=1,试指出f(x)的单调区间.](/uploads/image/z/6916861-37-1.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3D%EF%BC%881%2F2%EF%BC%89%5EAsin%28kx%2F5%2B%CF%80%2F3%EF%BC%89%EF%BC%88k%2CA%E2%89%A00%2Ck%E5%B1%9E%E4%BA%8EZ%E4%B8%94A%E5%B1%9E%E4%BA%8ER%EF%BC%89%EF%BC%881%EF%BC%89%E8%AF%95%E6%B1%82f%28x%29%E6%9C%80%E5%A4%A7%E5%80%BC%2C%E6%9C%80%E5%B0%8F%E5%80%BC%EF%BC%9B%EF%BC%882%EF%BC%89%E8%8B%A5A%EF%BC%9E0%2C%E4%B8%A8k%E4%B8%A8%3D1%2C%E8%AF%95%E6%8C%87%E5%87%BAf%28x%29%E7%9A%84%E5%8D%95%E8%B0%83%E5%8C%BA%E9%97%B4.)
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已知函数f(x)=(1/2)^Asin(kx/5+π/3)(k,A≠0,k属于Z且A属于R)(1)试求f(x)最大值,最小值;(2)若A>0,丨k丨=1,试指出f(x)的单调区间.
已知函数f(x)=(1/2)^Asin(kx/5+π/3)(k,A≠0,k属于Z且A属于R)
(1)试求f(x)最大值,最小值;
(2)若A>0,丨k丨=1,试指出f(x)的单调区间.
已知函数f(x)=(1/2)^Asin(kx/5+π/3)(k,A≠0,k属于Z且A属于R)(1)试求f(x)最大值,最小值;(2)若A>0,丨k丨=1,试指出f(x)的单调区间.
(1)A>0时 最大值(1/2)^-A次幂 最小值(1/2)^A次幂
A0 k=1时 2kπ-π
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