Thirty feet of plastic pipe costs $19.50. What is the unit cost? A) $0.56 per foot
B) $0.65 per foot
C) $0.75 per foot
D) $1.54 per foot
pl show work

The 8th term is 512

Idon't see any graph, however the graph of the function : f(x) = x²-2x+3 is a parabola: 1) open upward (since a> 0)2) it intersects y-axis in 3 (y=3)3) its axis of symmetry is x = +1 ( -b/2a)4) it's minimum is y = -2, so its vertex is (1,-2)5) it doesn't intersect the x-axis since discriminant < 0