Find the vertex of the given function.
f(x) = 5x + 1 - 7
The vertex is at

Mary beth used the mapping rule to find the coordinates of a point that had been rotated 90° counterclockwise around the origin. examine the steps to determine whether she made an error. m (3, –6) is rotated 90° counterclockwise. (x, y) → (–y, x) 1. switch the x- and y-coordinates: (6, –3) 2. multiply the new x-coordinate by –1: (6(–1), –3) 3. simplify: (–6, –3) .

Measure of angles 31 (x+4) (3x+9) me

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25