Given the function f(x)=-5x^2-x+20 find f(3)

15 point ! ~ see if you know the answer to both you!

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.

In which form is the following function written? y = - 2(x – 3)(x + 5)