Helppp and solve how u got the awnser

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)

Which table represents a linear function? i'll give brainliest to first answer ^'^