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The rate of change in data entry speed of the average student is ds/dx = 4(x + 4)-1/2, where x is the number of lessons the s
VIT RUTES With U.S. Department of Energy data for selected years from 2000 and projected to 2030, sulphur dioxide emissions f
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-1 4 sa) ds du 4(+4jZ S() = u da I semy do =/ = of Christ die antu 1 8 ſatu tc 2+1) s(x) = 8/+4 + c 16 = 8 ſotu + c 20 ) S-1E (10) = E(,1) = 0,0112 (01)2 + 0.612 (19) +11.9 19.9872 E(X,) = E(12) = 20.8568 E(13) = 21.7488 E(14) = 22.6632 ) E(15) = 23

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