Answer:
m = 5/2
Step-by-step explanation:
Formula for slope: 
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To find the inverse of a function, replace every x in the equation with a y, and replace every y in the equation with an x:

Add 9 to both sides:

Square root both sides to get y by itself:

This equation can be simplified by taking the square root of 9 out of the root:


The inverse of this function is
y = 3 + √x.
7 • 10^6 - 5.3 • 10^6
= 1.7 • 10^6 in scientific notation