let-give-f-x-x-2-x-1-x-1-study-the-variation-of-and-give-the-graph-C-f-2-give-the-equation-of-tangent-at-C-f-in-point-A-1-f-1-

Question Number 29835 by abdo imad last updated on 12/Feb/18

l e t g i v e f (x) = - x + 2 + \frac{\sqrt{x + 1}}{x}

1) s t u d y t h e v a r i a t i o n o f a n d g i v e t h e g r a p h C_{f}

2) g i v e t h e e q u a t i o n o f t a n g e n t a t C_{f} i n p o i n t A (1, f (1))