Question

true of false...
a) if f(s)=f(t) the s=t
b)if x1f(x2) c)If f and g are functions, then fog=gof

Answer 1

a)

This is only true if f(x) is one-to-one. So in general, it's false.

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b)

This is true by definition of decreasing functions.

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c)

This is not true in general. So it's false.

Answer 2

thank you

Answer 3

you're welcome