Betty has a checking account and a non-interest bearing savings account. The function C(x), shown below, represents her checking
account balance, where x is the number of months. The function S(x), shown below, represents her saving account balance.
ince.
C(a) = -|2401 - 140 + 1,400
S() = 450x + 100
Which function represents Betty's total account balance, TX)?

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step-by-step explanation:

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have

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