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WILL MARK BRAINLY. 20pts

Dora opened a saving account and deposited $50. After she gets her paycheck each week, she plans to deposit $25 into the savings account.

*Describe the initial value in this situation.
*Then, find the rate of change for the account.
*Will the rate of change over time change values?

Respuesta :

apologiabiology

initial value=deposit initil=$50

rate o change is amount deposeted per unit time or $25 per week

if her paycheck doesn't change and how often she gets per paycheck doesn't change, then the rte of change over time shouldn't change values

The initial value in this situation is $50

The rate of change for the account is 25.

The rate of change will never change value unless she decide to deposits lesser or greater than what she does every week.

She opened a saving account and deposited $50. After she gets her pay check each week she plans to deposit $25 into the saving account.

The initial value or deposit in this situation is $50. This is the first amount she deposited. The situation can be modelled as a linear equation

y = mx + b

y = mx + 50

The rate of change can be computed below.

rate of change = Δy/Δx = change in savings / change in in time(weeks)

 week   amount

     1           75

     2            100

rate of change = 100 - 75 / 3 - 2 = 25

The rate of change = 25

y = 25x + 50

The y-intercept is the initial deposit of $50. This is at 0 weeks.

The rate of change will never change value unless she decide to deposits lesser or greater than what she does every week.

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