Answer:
f(-4) = 4
f(-1) = 0
f(-6) = -4
Step-by-step explanation:
Since functions, f(x), are interpreted as "The function of x," then it means that the values inside the parenthesis of the f(x) are the x values. Looking at the graph, the following functions are located as the curve crosses the given points on the graph:
f(-4) = 4
f(-1) = 0
f(-6) = -4
The answer is (x+6)^2 + (y+1)^2 = 16
The ratio of the real sofa is 80:35 (16:7).
The ratio of the model sofa is 16:7
Yes they are equivalent.
(Divide 80:35 by 5 to get it in simplest form.)

Your answer is 2.
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