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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 = 22/5`

C

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

D

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

Text Solution

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The correct Answer is:
B
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