Given g(x) = 3x - 4, find g(1).​

Ahomeowner plans to hang wallpaper on one wall of a bedroom that is 10 feet long if a stripe of wallpaper is 20 inches wide and stripes or hung vertically how many stripes on wall paper with the homeowner required

Can you me find the missing length. i attached an image.

Is the point (0, 8) on the x-axis or y-axis? how do you know?