6. (a) Find, from first principle the deriva- tive of
x+1
with respect to
.
(b) The function f(r) is given by f(x) =
- 3r+ 4x + 1. Find:
(1) the derivative of fir);
the gradient of fr) at the point
A(2,5).
(WAEC)​

Tatiana wants to give friendship bracelets to her 32 classmates. she already has 5 bracelets, and she can buy more bracelets in packages of 4. write an inequality to determine the number of packages, p, tatiana could buy to have enough bracelets.