What is the y-intercept of the function f(x) = –negative StartFraction 2 Over 9 EndFraction.x + ?
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Answer the questions about the following function.
f left parenthesis x right parenthesis equals StartFraction x plus 12 Over x minus 8 EndFractionf(x)=x+12 x−8
(a) Is the point
left parenthesis 2 comma negative 19 right parenthesis(2,−19)
on the graph of f?
(b) If x =
3 comma3,
what is f(x)? What point is on the graph of f?
(c) If f(x) = 2, what is x? What point(s) is (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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