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Mathematics, 27.05.2021 02:30 bqg464

I'm giving 100 points. I need help with the first 4. this has to do with continuity, class is pre-calculus Determine whether f is continuous at c. Use algebraic substitution, graphing, and or tables to determine your answer. Show your work to justify your answer.
1. $f(x) = 3x^{3}-6x^{2} +7x-3 , c=2$
2. $f(x)=\frac{x^{2}+5 }{x-6} , c=3$
3. $f(X)\frac{x+3}{x-3} , c=3$
4. $f(x)=\frac{x^{2} +3x}{x^{2} -3x} , c=0$

I'm giving 100 points. I need help with the first 4. this has to do with continuity, class is pre-c

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