In problem, answer the questions about the given function. f(x) = 2x 2 - x - 1
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In problem, answer the questions about the given function.
f(x) = 2x2 - x - 1
(a) Is the point ( -1, 2) 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-intercepts, 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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