PLEASE HELP ILL MARK BRAINLIEST

Step-by-step explanation:

1. Yes

2.No

3. No

4. No

To be a function, the x axis can only be used once so it will pass the vertical line test.

step-by-step explanation:

given expression is .

now we need to simplify the given expression .

we know that square root is equivalent to the power 1/2. so that means we can take half of the exponents to get the square root of given expression.

expanding that will give a very very large number so let's keep answer in exponent form.