Thread: pre-calculus/functions help

hello all,

question:

evaluate


thank you

or you can write it as

Originally Posted by str33tl0rd

hello all,

question:

evaluate


thank you

There is nowhere to start. It looks like you've got the slope of a secant line through a hyperbola (assuming that you meant to include parentheses).

Do you have any more instruction?

thank you for the help guy, but it seems like that wasn't the answer =|

i think i have miswritten the question, i'll retry:

if
evaluate


and the answer is supposed to be:

i need a working out, thank you very much all you guys and girls

Originally Posted by str33tl0rd

thank you for the help guy, but it seems like that wasn't the answer =|

i think i have miswritten the question, i'll retry:

if
evaluate


and the answer is supposed to be:

get a common denominator for the two terms in the numerator and combine into a single fraction ...



now finish it

thank you, thats the step i got up to:



and i continued as follows, correct me if i am wrong:

expanding:


and here is where i get stuck, don't know how to continue or simply that, thanks again

Originally Posted by str33tl0rd

thank you, thats the step i got up to:



and i continued as follows, correct me if i am wrong:


do not expand

now, what does = ???

...

thank you very much...