Find the domain and range

Question

Find the domain and range

question : f(x) = −e^x + 1

Answer 1

domain is any real number. There's no restriction on x. x can be anywhere between negative infinity to positive infinity, (-inf,+inf)

range is any real number less than 1 f(x) is in the interval (-inf, 1)

e^x is always positive

-e^x is always negative

-e^x+ 1 is always < 1