show that the function f(x)=3x^2-2x+1 is continuous at x=5

show that the function f(x)=3x^2-2x+1 is continuous at x=5
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f(5)=66, and f(x) is defined for all x (parabola). The limit as x➝5 is also 66 (from both sides). The function is continuous.

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