A Fixed Point of a Function $f(x)$ Is a Value for Which

Multiple Choice

A fixed point of a function $f(x)$ is a value for which $f(x) =x$ . For the given function, find:
a) Fixed point of $f(x)$
b) (f $\circ f) (\mathbf{x})$
c) Fixed point of (f $\circ\mathbf{f}) (\mathbf{x})$
- $f(x) =2 x-5$

A) a) 5 b) $4 \mathrm{x}-15$ c) 5
B) a) 1 b) $4 \mathrm{x}-1$ c) 3
C) a) 1 b) $4 \mathrm{x}-3$ c) 1
D) a) -5 b) $4 \mathrm{x}+15$ c) -5