2. Graphs of Equations

Write each English sentence as an equation in two variables. Then graph the equation. The y-value is the difference between four and twice the x-value.

Write each English sentence as an equation in two variables. Then graph the equation. The y-value is four more than twice the x-value.

You invested \$20,000 in two accounts paying 1.45% and 1.59% annual interest. If the total interest earned for the year was \$307.50, how much was invested at each rate?

Determine whether each equation has a graph that is symmetric with respect to the x-axis, the y-axis, the origin, or none of these.

$\mid y\mid =-x$

Graph each equation in Exercises 13 - 28. Let x = - 3, - 2, - 1, 0, 1, 2, 3

y = x - 2

Graph each equation in Exercises 1–4. Let x= -3, -2. -1, 0, 1, 2 and 3. y = |x|-2

Find the value of the function for the given value of x. ƒ(x)=[[x]], for x=(-π)