Which is the graph of the sequence an = 2 – (–1)n?

What is the equation of the following graph in vertex form? parabolic function going down from the left through the point zero comma twelve and through the point two comma zero and turning at the point four comma negative four and going up through the point six comma zero and continuing towards infinity courtesy of texas instruments a: y = (x − 4)2 − 4 b: y = (x + 4)2 − 4 c: y = (x + 2)2 + 6 d: y = (x + 2)2 + 12

Find the length of cu, the triangles are similar.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?