Question

D is all real number and teacher already say c was wrong so plz help

Answer 1

Range: the possible y values
It cannot be all real numbers since there is a limit to what y can be.

Look at your graph:
Lowest value for y: -3
Highest value for y: 3
It would be between these values

Solution: B

Answer 2

I think ur teacher need to learn this problem before making the right choice

Explanation: