Is there any way i can preserve (make sure my drawing doesn’t ever smudge) without using a spray?

Which statement is true about the function f(x)= –? the domain of the function is all negative real numbers. the range of the function is all positive real numbers. the domain and range of the function have opposite signs. the domain and range of the function are the same.which statement is true about the function f(x)= –? the domain of the function is all negative real numbers. the range of the function is all positive real numbers. the domain and range of the function have opposite signs. the domain and range of the function are the same.

Im giving free points and brainiest to whoever gets here first lol

Look at this image this is an example of an a, pfemba b, quipu c, bisj pole d, igbo figure