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Holding the other parts constant
It seems like ages ago – but it was only yesterday – that I wrote about differentiating functions with the variable in both the base and the power. Back there, I had learned that the derivative of a function like f(x)g(x) is the sum of the derivative when you pretend f(x) is constant and the derivative when you pretend g(x) is constant.
The Zumbo (hypothesis) Test
Here in Australia, we are at the tail end of a reality cooking competition called "". In the show, a group of hopefuls compete in challenges where they produce desserts, hosted by patissier Adriano Zumbo. There are two types of challenges. In the "Sweet Sensations" challenge, they have to create a dessert from scratch that matches a criterion such as "gravity-defying", "showcasing one colour" or "based on an Arnott's biscuit". The two lowest-scoring desserts from the Sweet Sensations challenge have to complete the second challenge, called the "Zumbo Test". In this test, Zumbo reveals a dessert he has designed and the two contestants try to recreate it. Whoever does the worst job is eliminated.
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