Question

1 2 3
Af f(x) = 3x + 2x² +x+-+-+-
find f(2)
f (100)
+
+
---+-
f(3), f(4)
(1)
100
​

Answer 1

r(x) = 3x2 + 5, s(x) = 2x - 1. r'(x) = 6x ... f '(x) = 2(3x2 + 5) + 6x(2x - 1) ... f'(x) = (x - 4)(20x + 11) - (5x - 2)(2x + 3)/(x - 4)2.