The wind-chill index (in degrees C) is modeled by the function W = 13.12 + 0.6215T - 11.37v0.16 + 0.3965TV0.16 where Tis the air-temperature (°C) and v is the wind speed (km/h). When T = 13°C and v = 19 km/h, at what rate is windchill changing as air-temperature increases? (Round your answers to two decimal places.) °C of windchill per °C of air-temperature When T = 13°C and v = 19 km/h, , at what rate is windchill changing as wind-speed increases? (Round your answers to two decimal places.) °C of windchill per km/hr of wind-speed

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter2: Functions And Their Graphs
Section: Chapter Questions
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The wind-chill index (in degrees C) is modeled by the function
W = 13.12 + 0.6215T - 11.37v0.16 + 0.3965TV0.16
where Tis the air-temperature (°C) and v is the wind speed (km/h).
When T = 13°C and v = 19 km/h, at what rate is windchill changing as air-temperature increases? (Round your answers to two decimal places.)
°C of windchill per °C of air-temperature
When T = 13°C and v = 19 km/h, , at what rate is windchill changing as wind-speed increases? (Round your answers to two decimal places.)
°C of windchill per km/hr of wind-speed
Transcribed Image Text:The wind-chill index (in degrees C) is modeled by the function W = 13.12 + 0.6215T - 11.37v0.16 + 0.3965TV0.16 where Tis the air-temperature (°C) and v is the wind speed (km/h). When T = 13°C and v = 19 km/h, at what rate is windchill changing as air-temperature increases? (Round your answers to two decimal places.) °C of windchill per °C of air-temperature When T = 13°C and v = 19 km/h, , at what rate is windchill changing as wind-speed increases? (Round your answers to two decimal places.) °C of windchill per km/hr of wind-speed
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