turkey-yks 2013 Q21

turkey-yks · Other · ygs Composite & Inverse Functions Custom Operation or Property Verification

I. $f ( x ) = 2 x$ II. $f ( x ) = 2 ^ { x }$ III. $f ( x ) = x ^ { 2 }$ Which of these functions satisfy the equation $f ( a + b ) = f ( a ) \cdot f ( b )$ for every real number a and b?
A) Only I
B) Only II
C) I and II
D) I and III
E) II and III

I. $f ( x ) = 2 x$\\
II. $f ( x ) = 2 ^ { x }$\\
III. $f ( x ) = x ^ { 2 }$\\
Which of these functions satisfy the equation $f ( a + b ) = f ( a ) \cdot f ( b )$ for every real number a and b?\\
A) Only I\\
B) Only II\\
C) I and II\\
D) I and III\\
E) II and III

Paper Questions

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