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If f(x) is continuous on [0, 8] , where ...

If `f(x)` is continuous on [0, 8] , where `f(x)={:{(x^(2)+ax+6", for " 0 le x lt 2),(3x+2", for " 2 le x le 4),(2ax+5b", for " 4 lt x le 8):}`, then

A

`a=-1, b=(22)/(5)`

B

`a=-1, b=(-8)/(5)`

C

`a=-1, b=(-22)/(5)`

D

`a=1, b=8/5`

Text Solution

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The correct Answer is:
A
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