Look at the picture it has what i need help with

There's a trick to solve these graph questions

Solve the given quadratic equations in the options , the points which match with the changed graph will be the final option

if you solve the first option F(x) = x2-2

you'll get x = +2 and -2

as you can see , the Fx graph cuts the x axis at +2 and -2 and thus option A is correct

thankyou

goog may have it for you

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons