If f x - 4 x2 2x 3 Find f 2 - JAMB Mathematics 1990 Question
If f(x - 4) = x2 + 2x + 3, Find, f(2)
A
6
B
11
C
27
D
51
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Correct Option: D
f(x - 4) = x2 + 2x + 3
To find f(2) = f(x - 4)
= f(2)
x - 4 = 2
x = 6
f(2) = 62 + 2(6) + 3
= 36 + 12 + 3
= 51
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