30 because you add 8 and 7 then add it by itself or multiply it by 2
The graph of the relation between x and y is as shown in attached figure
By applying the vertical line test we find that the relation is not a function because there are two points which are (1,-1) , (1,3) have the same value of x with different values of y which contradicts with with the rule of function.
Answer:
the solution for x is x=40
Answer:
c
Step-by-step explanation: