The fortaleza telescope in brazil is a radio telescope. its shape can approximated with the equation y=0.013x2 is the relationship between x and y linear? is it proportional? explain

we have that

the given equation is

we know that

The general linear equation is equal to

where

m and b are real numbers

Every equation in this form is a linear equation. The linear equations represent linear functions. Equations than cannot be written in this form are not linear equations, and therefore are not linear functions

The given equation is not a line, is a quadratic equation, therefore is not a linear equation, is a non linear function.

Only a linear relationship can be proportional,

so

the relationship is not proportional

therefore

the answer is

the relationship between x and y  is a non linear function and is not proportional

domain is all the x values included in the

0 ≤ x ≤ 2

range is all the y values of the graph

-2 ≤ y ≤ 2

***keep in mind that there are different ways to show domain and range

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