angieakpaudo angieakpaudo

22-11-2022
Mathematics

contestada

f(x) = 2x² -
-x-1
(a) Is the point (-2,9) on the graph of f?
(b) If x=2, what is f(x)? What point is on the graph of f?
(c) If f(x) = -1, what is x? What point(s) are on the graph of f?
(d) What is the domain of f?
(e) List the x-intercept(s), if any, of the graph of f.
(f) List the y-intercept, if there is one, of the graph of f.

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