Question

Can someone please check my answer please

Answer 1

@phi can you please check my answer

Answer 2

isn't this the same problem ?

Answer 3

did I post the wrong problem hold on

Answer 4

I got choice E for my answer is that right?

Answer 5

yes. Do you know how to do this?

expand (x+h)^2 up top to get x^2 +2xh + h^2
simplify the top
x^2 +2xh + h^2 - x^2 to get 2x h + h^2
divide by the h in the bottom to get
2x + h
now let h approach 0
2x + 0 (or so close to 0 it does not matter)

you get
2x

Answer 6

yup I know how to do this

Answer 7

got to go. Hopefully someone will check your answers.