Question

Ali currently has $25. He is going to start saving $5 every week. Ali's Savings Function Rule: y = 5x + 25
The rate of change of this function is

Answer 1

The rate of change of any given function is simply taken to be the 1st derivate of that function.We are given:y = 5 x + 25So the rate of change is simply, rate of change = dy / dxdy = 5 dxdy / dx = 5
So rate of change = 5

Answer 2

The rate of change of Ali's saving function according to the first derivative is 5.

Given the saving function :

$y = 5x + 25$

The rate of change is the first derivative of y

Therefore,

$\frac{dy}{dx} = 5$

Therefore, the rate of change of the function is 5.

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