Question
THE AVERAGE MONTHLY TEMPERATURE T(M) IN DEGREES CELSIUS OF A PARTICULAR CITY VARIES ACCORDING TO THE MODEL T 9M0 = 10COS(PI/6 M) + 5 WHERE
THE AVERAGE MONTHLY TEMPERATURE T(M) IN DEGREES CELSIUS OF A PARTICULAR CITY VARIES ACCORDING TO THE MODEL T 9M0 = 10COS(PI/6 M) + 5 WHERE M REPRESENTS THE MONTHS OF THE YEAR AND JANUARY BEGINS AT M= 0. BETWEEN WHAT MONTHS WILL THE TEMPERATURE BE BELOW 0 DEGREES C?
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Precalculus
Authors: Leonard J Brooks, Karla Neal, R David Gustafson, Jeff Hughes
1st Edition
1133712673, 9781133712671
