X=h/4 -3y/4 hope that helped
Functions can be used to model real life situations.
The hose is 3.2 feet above the ground, at a horizontal distance of 4 fee
The function is given as:

At a horizontal distance of 4 feet, the value of x is 4
i.e. 
Substitute 4 for x in f(x).
So, we have:

Evaluate the exponent

Open both brackets

Add -4.8 and 8

Hence, the hose is 3.2 feet above the ground
Read more about functions at:
brainly.com/question/10837575
Answer:
200 people attended screen 1
150 to screen 2 and 150 to screen 3
for question 2:it's 265.1
Answer:
each pair of distinct vertices we connect them up with
a line segment. There are (8 2 )=28 such line segments.
Step-by-step explanation:
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We can calculate the percent change dividing the change by the original amount of people attending the exhibit.
The increase is 298-152 = 146.
Then, we can calculate the percent change as:

There was a 96% increase in the number of people attending the exhibit.