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Let f(x) = x2 − 81. Find f−1(x). (1 point) ±square root of the quantity x plus 81 9 square root of x 1 over quantity x squared minus 81 x squared over 81
answered
Sep 12, 2017
Mathematics
high-school
4
votes
127k
views
A meteorologist is monitoring the atmospheric pressure as his height above sea level varies. The meteorologist determines that the atmospheric pressure decreases by 12% for each additional kilometer the
answered
Aug 29, 2017
Mathematics
college
3
votes
94.7k
views
Would a fire manager be for or against fire suppression?
answered
Nov 24, 2015
Geography
middle-school
6
votes
90.5k
views
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