the heart graph is not a function
-45,-55,-65
A(30) = -1 + (30 - 1) * 2 = -1 + 29 * 2 = -1 + 58 = 57 <==
the vertical line test
range is { 1,7,13 }
I am having a problem with the last onewith the points that are listed, it is not a function...because u have 2 x- values that are 4
Read more on -