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A differentiable function f(x) has a rel...

A differentiable function f(x) has a relative minimum at x=0 Then the funiction `y=f(x)+ax+b` has a relative minimum at x=0 for

A

all a and all b .

B

all b if a =0

C

all `bgt0`

D

all `agt0`

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The correct Answer is:
B
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