Find the zero of the following function.
f(x)=x³-7x²+4x+12

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

What is the value of f(x) = 2.2 for f(-2)?

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