Question

What are the domain and range of the function x)= 14-282-4?O domain: all real numbersrange: all real numbers greater than or equal to -5domain: all real numbersrange: all real numbers greater than or equal to 4O domain: all real numbers between-2.5 and 2.5range: all real numbersO domain: all real numbers between -2.5 and 2.5range: all real numbers greater than or equal to -5

Answer 1

`f(x)=x^{4^{}}-2x^2-4`

The domain is the values of x

The range is the values of y

Let us find the domain

The domain is all real numbers

The domain = {x : x belongs to R}

The range is all real numbers

The range = {y : y belongs to R}

Let us graph it to see that