The function and why it’s a function

Its Table 3

Step-by-step explanation:

In a function  each x value maps only to one y value.

So the first table is not a function because x=3 maps to 4 different values of y.

Similarly in Table 2,  0  maps to 7 and to -10 so its not a function.

Table 3 is a function because each value of x maps to just one value of y.

3x + 18 = 147°

step-by-step explanation:

3x + 18 = 147°, because the value of the central angle is equal to the value of the arc formed by it.

i hope i you.

41*67/2=1373.5

step-by-step explanation:

i just used a calculator