# Use the information at the beginning of the lesson. The Palermo scale value of any object can be found using the equation PS=log_10 R where R is the relative risk posed by the object. Write an equation in exponential form for the inverse of the function.

Use the information at the beginning of the lesson. The Palermo scale value of any object can be found using the equation
$PS={\mathrm{log}}_{10}R$
where R is the relative risk posed by the object. Write an equation in exponential form for the inverse of the function.
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Slope intercept form is y=mx+b where m=slope, and b=y intercept (0,b).
When a line is in the form y=−5, it has m=0, therefore the line is a horizontal line. Horizontal lines have different values of x, but the same y-value. The line passes through points such as (−1,−5), (0,−5), (2,−5), (4,−5).
A line that is parallel has the same slope: m=0. It is also a horizontal line. To pass through (−1,−8) the line must be y=−8