For what values of a and b will [img=793x239]1803474d8c6aa22.png[/img]be differentiable for all values of x? A: a=-1/2, b=1 B: a=1/2, b=1 C: a=-1/2, b=-1 D: a=1/2, b=-1

For what values of a and b will [img=746x216]1803474d8173a86.png[/img]be differentiable for all values of x? A: a=3/4, b=9/4 B: a=3/2, b=9/2 C: a=3/4, b=9/2 D: a=3/2, b=9/4