# Let f(x) = x² + 2x + 1, the point P(1, 4) be on the graph of f(x), and Q(x, f(x)) be the point determined by the following values of x. Then answer the following questions. (Do not round until the end of your calculations, then round to five decimal places.) a. If x = 0.9, f(x) =| 3.61 Find the slope of the secant line mpo = 3.8 b. If x = 0.99, f(x) = 3.9601 Find the slope of the secant line m po = 3.98 c. If x = 1.01, ƒ(x) =| 4.0401 Find the slope of the secant line m po = 4.02

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The boxes outlined in green are correct, but I can't figure out what the red ones are.

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Let f(x) = x² + 2x + 1, the point P(1, 4) be on the graph of f(x), and Q(x, f(x)) be the point determined by the following values of x. Then answer the following questions. (Do not round until the end of your calculations, then round to five decimal places.) a. If x = 0.9, f(x) =| 3.61 Find the slope of the secant line mpo = 3.8 b. If x = 0.99, f(x) = 3.9601 Find the slope of the secant line m po = 3.98 c. If x = 1.01, ƒ(x) =| 4.0401 Find the slope of the secant line m po = 4.02