Write the function that represents the sequence in the table

A(n) = 5 * 4^n-1

Step-by-step explanation:

How do we get the initial value? The value of A(n) when n = 1. But before that, we should find our rate of change. What is our rate of change? Well, its just 4 right!?

5, 20, 80, 320...

Notice that we just multiply 4 to a number to get the next number in the series.

So therefore, we can express the function in the following manner

A(n) = initial value * rate of change ^ n-1

part a

in a city ice cream is mostly only bought when the temperature is very high as ice cream cools down our

so we can derive the conclusion that as the temperature increases the number of ice creams sold also increases

part b

y intercept is 5

slope is 2

happy to

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