When x, y, w and z are vectors in R n such that y, z are linearly independent and z = 3x + 4y, w = 6x − 4y − 2z , which of the following I: Span{x, y} = Span{x, w, z} , II: Span{x, z} = Span{y, w} , III: Span{y} = Span{w} , hold?

2x+3y=12 x-y=6 solve the following system equations

What is the equation in slope-intercept form of the linear function represented by the table? y -18 -1 -8 4 2 912 o y=-2x-6 o y=-2x+6 o y=2x-6 o y = 2x+6

Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.