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The inverse of the function is 
<h3 /><h3>Domain and Range of functions</h3>
Given the function
To get the inverse, you will follow the same step as shown:
Rewrite the equation to have:
Replace x with y
<h3>Make y the subject of the formula</h3>
Hence the inverse of the function is
Learn more on inverse of a function here: brainly.com/question/2873333
The magnitude of the force of the elevator floor on the person is; 807.13 N
<h3>What is the Magnitude of force? </h3>
We are given;
Weight; W = 0.7 KN
Acceleration; a = 1.5 m/s²
There are only two forces acting on the person: which are his weight W (downward) and the normal force N of the floor against the body (upward). Thus the equilibrium equation here is;
N - W = F
N - W = ma
Here, m is the mass of body, and its value is calculated as;
W = mg
0.7 = 9.81m
m = 0.7/9.81
m = 71.42 kg
Thus;
N - 0.7 = 71.42 * 1.5
N = 0.7 + (71.42 * 1.5)
N = 807.13 N
Read more about Magnitude of Force at; brainly.com/question/9056570
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