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OpenStudy (anonymous):
use graphing calculator to find the zeros of each function. round to three decimal places. f(x)=9x^2-2x-3. possible answers are. (A)-0.477,0.699 (B) -5.369,7.871 (C) 8.364, -12.264 (D) -9.317, 13.66
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OpenStudy (anonymous):
(A) You can graph the function on your calculator and there should be a built in function to find the zeroes. If not maybe there is a function to find the intersection of two lines, so plot y=0 as well and find where the lines intersect.
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