(4x2 + 8)(4x2 – 8)
16(x2 + 2)(x2 – 2)
16x4 + 16x – 16x – 64
Isn't it a function considered a function if it has no intersecting lines? Maybe you should graph it and see if it has intersecting lines or not. If it doesn't the it's a function if
it does then it's not. I think..?
<span>z^ 2 + 18z + 81 = (z + 9)^2
so side = z + 9
answer: </span><span>c)side = z + 9</span>
Answer:
The upper one is 8, the lower one is 6