Question

If g(x) = f(x) + k, what is the value of k ?

Answer 1

Let's solve algebraically

`\\ \tt\hookrightarrow g(x)=f(x)+k`

• Take f(x) to left

`\\ \tt\hookrightarrow g(x)-f(x)=k`

`\\ \tt\hookrightarrow k=g(x)-f(x)`