fun-lim

Question: Let $f(x)=ax+b$ and $g(x)=cx+d,\ a\ne 0,\ c\ne 0$. Assume $a=1,\ b=2$. If $(fog)(x)=(gof)(x)$ for all x, what can you say about c and d

1) c and d both arbitrary

2) $c=1,\ d$ arbitrary

3) c arbitrary, $d=1$

4) $c=1,\ d=1$

Solution:

Explanation: No Explanation

Functions

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