An equation or formula which depicts the linear function in the given graph is y = -6x + 7.
<h3>What is a linear function?</h3>A linear function can be defined as a type of function whose equation is graphically represented by a straight line on the cartesian coordinate.
By critically observing the graph (see attachment) which models the given linear function, we can infer and logically deduce that the line passes through the following points:
Points (x, y) = (0, 7)
Points (x, y) = (2, -5)
Next, we would determine the slope of this linear function as follows:
Slope, m = (-5 - 7)/(2 - 0)
Slope, m = -12/2
Slope, m = -6
For the equation of this line, we have:
y - y₁ = m(x - x₁)
y - 7 = -6(x - 0)
y - 7 = -6x - 0
y = -6x + 7.
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The amount of that will be in the account after 25 years is 370000 cents.
<h3 /><h3>What is simple interest?</h3>The simple interest on an account is the kind of interest charge on a loan. It can be estimated by using the formula;
S.I = $2100
After 25 years, the amount that will be in the account will be:
= Principal + simple interest
= $1600 + $2100
= $3700
To the nearest cent, we have:
= 370000 cents
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