Find the Value of c Guaranteed by Intermediate Value Theorem for f(x) = x^2 + 9x + 2

Find the Value of c Guaranteed by Intermediate Value Theorem for f(x) = x^2 + 9x + 2

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Easily understandable with the example, thank you so much!

[dontaemast]

Thank you, Thank you, Thank you, Thank you, Thank you, Thank you, Thank you!!!!1