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Let f(x) = ax + b and g(x) = cx +d, a ne...

Let `f(x) = ax + b and g(x) = cx +d, a ne 0 , c ne 0`. Assume a = 1 , b = 2 . If (fog) (x) = (gof) (x) for all x , what can you say about c and d ?

A

a) c and d both arbitary

B

b)c = 1, d arbitrary

C

c) c arbitrary , d = 1

D

d) c = 1, d = 1

Text Solution

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The correct Answer is:
B
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