Question
Find f left parenthesis g left parenthesis x right parenthesis right parenthesisf(g(x)) and g left parenthesis f left parenthesis x right parenthesis right parenthesisg(f(x)) and
Find f left parenthesis g left parenthesis x right parenthesis right parenthesisf(g(x)) and g left parenthesis f left parenthesis x right parenthesis right parenthesisg(f(x)) and determine whether the pair of functions f and g are inverses of each other.
f left parenthesis x right parenthesis equals 9 x plus 4f(x)=9x+4 and g left parenthesis x right parenthesis equals StartFraction x minus 4 Over 9 EndFractiong(x)=
x4
9
a. f left parenthesis g left parenthesis x right parenthesis right parenthesisf(g(x))equals=nothing (Simplify your answer.)
b. g left parenthesis f left parenthesis x right parenthesis right parenthesisg(f(x))equals=nothing (Simplify your answer.)
c.
f and g are inverses of each other.
f and g are not inverses of each other.
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Statistical Inference
Authors: George Casella, Roger L. Berger
2nd edition
0534243126, 978-0534243128
