Answer:
O f(x) = -x-1
Step-by-step explanation:
We want to isolate the 'y' variable, so we will subtract 7 from both sides.
y = x + 6 - 7
y = x -1
It's either A or C but correct me if I'm wrong :)
Another expression for the given rational function is 
<h3>Indices expression</h3>
Given the rational function expressed as:
x = √rs
We can reconstruct the expression by writing it using exponents as shown;

Separate to have:

Hence another expression for the given rational function is 
learn more on rational function here: brainly.com/question/1851758
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12 ft shadow / 4 ft shadow = 3
16.5 ft / 3 = 5.5 ft
The zookeeper is 5.5 feet tall
Answer:
Step-by-step explanation:
perimeter = 2(4ft+7ft) = 2*11ft = 22ft