Question

Solve f(x) = 2 for x.

Answer 1

f(x)=2

f(x) is the function, x inside represent the input, while the value the function is equal to is the output.

So to solve for x, look at where f(x)/ y is equal to 2. And, from there the function is equal to 2 when x=-1.

So your answer is x=-1