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PS function
Source: Beat The GMAT — Problem Solving |
If we go with E, it says -
f(a)=-3a
f(b)=-3b
So f(a) + f(b) = -3(a + b)
And f(a + b) = -3(a + b)
So f(a + b) = f(a) + f(b)
Have u got it, lawalx?
f(a)=-3a
f(b)=-3b
So f(a) + f(b) = -3(a + b)
And f(a + b) = -3(a + b)
So f(a + b) = f(a) + f(b)
Have u got it, lawalx?
Correct me If I am wrong
Regards,
Amitava
Regards,
Amitava
