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Winter Temperature The temperature T in degrees Fahrenheit on a cold night x hours past midnight can be approximated by T(x) = x³ – 6x² + 8x, where 0 s x< 4. Determine when the temperature was 0°F.

Winter Temperature The temperature T in degrees Fahrenheit on a cold night x hours past midnight can be approximated by T(x) = x³ – 6x² + 8x, where 0 s x< 4. Determine when the temperature was 0°F.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Exercises 127 0-130 D: Use the intermediate value theorem to show that f(x) = 0 for some x on the given interval. = x² xSHint: Evalyat2) and f(3 and Letpeethe intemediate xalue eore x -1 1sx 2 128. f( 129 = -1sxs0 Valuate f(1) and f(2). Is there a real 131 (x) 7 isagesuchuat f(k)207xplein your answer. 12 chagaha fuhctionf that paszes through the points ( ahd (1, 2)ut ng sur a velde of 0. What must be true about the graph of Applications Winter Temperature The temperature T in degrees Fahrenheit on a cold night x hours past midnight can be approximated by T(x) = x³ – 6x² + 8x, where 0 <x 4. Determine when the temperature was 0°F. 184. GEbmety ATEctangtlar box has sides with lezats y, x + he box is 504 cubic es, find the dimensions ofe box. x + 1– -* +2
Transcribed Image Text:Exercises 127 0-130 D: Use the intermediate value theorem to show that f(x) = 0 for some x on the given interval. = x² xSHint: Evalyat2) and f(3 and Letpeethe intemediate xalue eore x -1 1sx 2 128. f( 129 = -1sxs0 Valuate f(1) and f(2). Is there a real 131 (x) 7 isagesuchuat f(k)207xplein your answer. 12 chagaha fuhctionf that paszes through the points ( ahd (1, 2)ut ng sur a velde of 0. What must be true about the graph of Applications Winter Temperature The temperature T in degrees Fahrenheit on a cold night x hours past midnight can be approximated by T(x) = x³ – 6x² + 8x, where 0 <x 4. Determine when the temperature was 0°F. 184. GEbmety ATEctangtlar box has sides with lezats y, x + he box is 504 cubic es, find the dimensions ofe box. x + 1– -* +2
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