truebeautyofmath.com
Lesson 31 Solutions
Exercise 1) Let $latex f:\{1, 2, 3, 4\}\rightarrow \{a, b, c\}&fg=000000$ be the function defined as $latex f(1)=b, f(2)=b, f(3)=c, f(4)=a&fg=000000$ and let $latex g:\{a,b,c\}\rightarrow \…