(a) Estimate the vertex. (x, y) =          (b) For what x-values is the graph increasing? Write the answer using an inequality. x > 4x < 4    x > 5x < −5x < 5   (c) For what x-values is the graph decreasing? Write the answer using an inequality. x < 4x > −5    x < 5x > 5x > 4   (d) Estimate the x-intercepts. (If an answer does not exist, enter DNE.) (x, y) =       (smaller x-value) (x, y) =       (larger x-value)   (e) Estimate the y-intercept. (x, y) =          (f) Estimate  f(3).     (g) What x-value(s) will make  f(x) = −10? (If an answer does not exist, enter DNE.)

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