ما هو معدل تغير حجم كرة من الصلصال عندما يكون نصف قطرها \(r\) ويتزايد بمعدل \(2 cm/s\)؟

\begin{tabular}{|l|} Step-by-step instructions \\ - Set a Selling Price: Decide how much you will charge per cup of lemonade. \\ Consider the cost per cup and how much profit you want to make. For \\ example, if it cost AED1.80 per cup and you want to make a 1Dirham profit, \\ then you will sell it for AED2.80. \\ - Create a Poster/Presentation: Show the recipe ratios for your lemonade \\ (lemon juice, water, sugar). Show how you calculated the cost per cup and \\ your selling price. Use pictures, charts, and models to explain your thinking \\ clearly. \end{tabular}

Tutorial Exercise Fynd the Maclaurin series for \( f(x) \) using the defi \[ f(x)=8(1-x)^{-2} \] Steo 1

3. \( 74,5: 5 \)

h) \( 7^{5 x-4}=7^{x+1} \)

Exercício 2 - Encontre uma equação para a parábola que satisfaz as condiçôes dadas: (a) Vértice \( (0,0) \) e foco \( (0,-2) \). (b) Vértice \( (0,0) \) e foco \( (-2,0) \). (c) Vértice \( (0,0) \) e foco \( (0,2) \). (c) Vértice \( (0,0) \) e foco \( (2,0) \).