On a line y=1- what would that look like on a graph

The line y = -1 is a horizontal line passing through the point (0, -1).

Draw it.

Find the point (0, -1) and draw a line through it.

It is a line parallel to the x-axis.

r(0,90)(x,y) . t(-5,0)

last option

step-by-step explanation:

∆def to ∆d"e"f"

- rotate 90 counterclockwise degrees

- then translated 5 to the left (x --> x - 5)

answer is the last option