If f(x) = 5x-2 and g (x) = 2x + 1 find (f-g) (x)

How do you graph linear equation x+y=4

What is the number 321,000,000 in scientific notation? also what is the number? ?

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3