13. A café's annual income depends on x, the number of customers. The function I(x) = 4x2 - 20x describes the café's total annual income. The function C(x) = 2x2 + 5 describes the total amount the café spends in a year. The café's annual profit, P(x), is the difference between the annual income and the amount spent in a year. Which function describes P(x)?​

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Step-by-step explanation:

x is variable or an unknown value to find

example:

2x = 5 which means x = 3

the answer is; biodiversity resulting from few ancestors

adaptive radiation occurs when a population is subjected to a large natural environment with spatial ecological variations. the parts of the population in the different ecologies begin to adapt to their local environments. due to non-random mating across the large populations, this causes the different populations from the large population to speciate within their local environments. they, therefore, diverge to different species sharing a common ancestor.