Answer question 4 and 5 please

Step-by-step explanation:

4.the first one is a function but the second is not

5.you can choose 2 or any number greater than 0

So the first one the answer will be y=(2) ²

And it equals 4

But the second will be y²=2

And it will equal +and - 2 in the same time so it is not a function

the f

last graph i believe

step-by-step explanation:

worked it out i believe

answer: domain and range mean all possible values of x and y that could be substituted to the inequality. a solution means all possible values that make the inequality statement true. so while the range is still all real numbers, the solution is the shaded area, for which y will always be greater than the line of the function.