4.(06.02 MC) The equation of line QR is y =
x + 1. Write an equation of a line perpendicular to line QR in slope-intercept form that contains point (5, 6). (4 points)

On a piece of paper graph f(x)=5•(0.4)^x

Arectangular garden is 5 feet long and 3 feet wide. a second rectangular garden has dimensions that are double the dimensions of the first garden. what is the percent of change in perimeter from the first garden to the second garden?

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)