A snowball's rate of change

Diameter, Surface area, rates od changeAdjust the slider to illustrate the following related rates problem: If a snowball melts so that its surface area decreases at a rate of 1 cm^2/min, find the rate at which the diameter decreases when the diameter is 10cmComponente Curricular::Educação Superior::Ciências Exatas e da Terra::Matemátic

Expression machine

This excellent expression machine illustrates using variables in an expression. Click the nose to create a new expression. Choosing different x-values will give different outputs. Try predicting the output before selecting the next x-valueComponente Curricular::Ensino Fundamental::Séries Finais::Matemátic

Expression machine

This excellent expression machine illustrates using variables in an expression. Click the nose to create a new expression. Choosing different x-values will give different outputs. Try predicting the output before selecting the next x-valueComponente Curricular::Ensino Fundamental::Séries Finais::Matemátic