exam
Maths Puzzle
Numerical Ability
x^9-y^9
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exam Other Question
7. Let f(x) = to x squared - 6x + 9 ,g(x) = x - 3 find the following.
a.(f+g)(x) b.(f-g)(x) c.(fg)(x) d. (f/g)(x) e.(fog)(x)
f.(f-g)(5) g.g{f(x)} h. f{f(-3)}
Solve by using the quadratic formula. 3x2 = 11x + 4