Answer:
Relative error = 0.0254 %
Step-by-step explanation:
Given details
Height of equipment from base is 104 ft
Elevation angle is 27.5 degree
From figure we have
.........1

x = 54.13 ft
differentiating 1st eq wrt x
![\frac{d}{dx} tan\theta = \frac{d}{dx} [\frac{x}{104}]](https://tex.z-dn.net/?f=%5Cfrac%7Bd%7D%7Bdx%7D%20tan%5Ctheta%20%3D%20%5Cfrac%7Bd%7D%7Bdx%7D%20%5B%5Cfrac%7Bx%7D%7B104%7D%5D)

Taken
for minute change


from 



Reltaive error

Relative error = 0.0254 %
Answer: -81x^2 + 16
Step-by-step explanation: Expand the polynomial using the FOIL method.
5/8 *23=115/8
115/8 can be simplified to 14 and 3/8
The cat weighs 14 and 3/8 pounds
Yes it is because all fractions are rationals