Step-by-step explanation:
work is shown and pictured
Answer:
triangle
Step-by-step explanation:
Answer:

Step-by-step explanation:
Three pairs are given completely:
(x, f(x)) = (1, 1), (49, 7), (25, 5)
We observe that this is not a linear relation. Rather, squaring the f(x)-value gives the x-value.
f(x)^2 = x
f(x) = √x