why it 100 - 4x^2
hey melody !
you are amaiznnnnnnnnnnnnnng !!!!
thanx my friend
I talk about the question !
thanx for all
In question 17
what do I benifit from the amplitude and the wavelength !! ?
I think that I forgot this information
if I not mistaken I think that there is a circle that illustrate this information !
do you know it .. ! because it will help me understand
sorry .. but how do you know that it is in the 4th quad !
and why you put y=-12 !!
Thanx CPhill Now its very clear !!