1.c.5 - 2014 Q11
11) Given that
A) Find the value of the discriminant of f(x). (2)
B) Express f(x) in the form p(x + q)2 + r where p, q and r are integers to be found. (3)
The line y = 4x + c, where c is a constant, is a tangent to the curve with equation y = f(x)
C) Calculate the value of c. (5)
C) Calculate the value of c. (5)