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Givenf(x)=ax^(2)+b," "" if "xlt-1 =b...

Given`f(x)=ax^(2)+b," "" if "xlt-1`
`=bx^(2)+ax+4," "" if "xge-1`
If the derivartive of `f(x)` is continuous everywhere in R, then :`(a,b)equiv`

A

`(2,3)`

B

`(3,2)`

C

`(-2,-3)`

D

`(-3,-2)`

Text Solution

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The correct Answer is:
a
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