Can someone solve this pls

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.

Which of the symbols correctly relates the two numbers below check all that apply 6? 6

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)