An investor buys land and estimates that the land will gain value according to the formula v(x) = -22x² + 1,511x + 7,300 (0?x?30), where v is dollars and x is years after the land was purchased. Find ?(5), and include units on your answer. What information does this provide about the value of the land?
A) 14,305 dollars/yr; The land has gained $14,305 in value, 5 years after it is purchased.
B) 14,305 dollars/yr; The land is gaining value at $14,305 per year, 5 years after it is purchased.
C) 1,291 dollars/yr; The land has gained $1,291 in value, 5 years after it is purchased.
D) 1,291 dollars/yr; The land is gaining value at $1,291 per year, 5 years after it is purchased.
D) 1,291 dollars/yr; The land is gaining value at $1,291 per year, 5 years after it is purchased.
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A. No x-intercepts, y-intercept: 
;
B. No x-intercepts, y-intercept: 
;
C. x-intercept: 
, no y-intercepts ;
D. No x-intercepts, y-intercept: 
;
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