Question

What is the domain and range of the function

Answer 1

domain = real numbers, range = positive real numbers

Explanation:

f(x) = a^x

Domain is the set of all real numbers whose values are defined.

Here x is the exponent. There is no restriction for x

So x can take any value. x can be positive or negative

Hence, domain is all real numbers.

For range we consider the value of f(x)

For positive x values , f(x) will be positive

For negative x values , f(x) will be positive

so , range is positive real numbers