6.1 day 1: Antiderivatives and Slope Fields Greg Kelly, Hanford High School, Richland, WashingtonPhoto by Vickie Kelly, 2009 Kitt Peak National Observatory,
2.4 Rates of Change and Tangent Lines Devils Tower, Wyoming Greg Kelly, Hanford High School, Richland, WashingtonPhoto by Vickie Kelly, 1993.
1.6 Trig Functions Black Canyon of the Gunnison National Park, Colorado.
1.3 Exponential Functions Acadia National Park, Maine.
1.5 Functions and Logarithms Golden Gate Bridge San Francisco, CA.
