Question

F(x+h) - F(x)/h

F(x)=x^2-7

Answer 1

F(x+h) = (x+h)^2 - 7 = x^2 + 2hx + h^2 - 7

and we know that F(x) = x^2 - 7

so I'll let you work out F(x+h) - F(x)

Answer 2

then we divide the result by h

Answer 3

thats the same question

Answer 4

what do you get?

Answer 5

2x+h-14

Answer 6

@alekos

Answer 7

not quite. It's 2x + h

Answer 8

you need to watch the signs

Answer 9

Okay thnk you

Answer 10

no problem