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Consider the function g(x)=2Cosxg(x)=2Cosxg(x)=2Cosx . What is behavior of the graph at [π,2π]\left[\pi,2\pi\right][π,2π] ?
Increasing
decreasing
None of These
Is the sentence true or false?
h(x)=2Cosxh(x)=2Cosxh(x)=2Cosx is decreasing on [π2,π][\frac{\pi}{2},\pi][2π,π] .
True
False
Consider the function f(x)=3Cosxf(x)=3Cosxf(x)=3Cosx . What is behavior of the graph at [0,π2][0,\frac{\pi}{2}][0,2π] ?
constant
h(x)=Cosxh(x)=Cosxh(x)=Cosx is decreasing on [π2,2π]\left[\frac{\pi}{2},2\pi\right][2π,2π] .
Consider the function f(x)=Cosxf(x)=Cosxf(x)=Cosx . What is behavior of the graph at [π,3π2]\left[\pi,\frac{3\pi}{2}\right][π,23π] ?
Consider the function f(x)=Cosxf(x)=Cosxf(x)=Cosx .
What is behavior of the graph at [0,π2]\left[0,\frac{\pi}{2}\right][0,2π] ?
h(x)=3Cosxh(x)=3Cosxh(x)=3Cosx is decreasing on [0,π2][0,\frac{\pi}{2}][0,2π] .
g(x)=Cosxg(x)=Cosxg(x)=Cosx is decreasing on [0,π][0,\pi][0,π] .
Consider the function g(x)=8Cosxg(x)=8Cosxg(x)=8Cosx . What is behavior of the graph at [π2,3π2]\left[\frac{\pi}{2},\frac{3\pi}{2}\right][2π,23π] ?
Consider the function f(x)=5Cosxf(x)=5Cosxf(x)=5Cosx . What is behavior of the graph at [π2,π][\frac{\pi}{2},\pi][2π,π] ?
It is done.