Question

Will x-1 always be in the bottom? ...why are the a values different??

Answer 1

Please post the entire problem. Thanks.

Answer 2

Definition 1 of slope of tangent line....lim /x->a f(x)-f(a)/x-a

Answer 3

It's the change in the function value with respect to change in the input to the function. What exactly is your question?

Answer 4

Mainly, why do the a values seem to differ.

Answer 5

I'm not sure what values you're talking about... lim x-a of (f(x) - f(a)) / (x-a) is what we're talking about correct? What differs here?

Answer 6

sorry lim x -> a

Answer 7

I figured it out.....f(a) = y value q