Let f be the function defined as follows. x³ 2x+3, x<1 3ax²+x, x≥ 1 f (x) = Is f continuous at x= -3? Explain. Is f continuous at x=4? Explain. Find a so that fis continuous on the whole real line.

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Q: (2)6 E fi E f(x) N

A: From the given graph,f(−2)=0,g(−2)=3f(1)=1,g(1)=0g(4)=−3,g(0)=1f(−3)=−1

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