Could someone plz help me with these and show me how you got your answer? Thank you!

Which graph shows a function with a range of all real numbers greater than or equal to -1

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

This is about circle theorems. someone asap : (