Need help asap plz Do the values in the table represent a proportional relationship?

x 1 2 3 4

y 2.5 5 7.5 10

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All of the y-values

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a constant multiple of the corresponding x-values, so the relationship

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.

see attached

step-by-step explanation:

given the function as;

write the equation replacing f(x) with y

form   and fill a table containing values of y with corresponding values of x

you can take a range for   values of x as -3≤x≤3

solving for x=-3

for x=-2

repeat the same procedure to get the values of y for the remaining ,x=-1 to x=3

plot the values of y against values   of x and obtain the following graph

the arc length is found by finding the circumference of the full circle (2xpixradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).

2,160 π

step-by-step explanation:

b, 20 yards

step-by-step explanation: