How do you graph #f(x) =abs(3x+2)#?

1 Answer
Aug 20, 2015

Answer:

By substituting x and graphing only the positive value

Explanation:

The two bars mean that you need the absolute value, that is the positive value, by example |-5| = 5. Then in this specific case the graph would have a domain from +#oo# to -#oo# in x but only from 0 to +#oo# in y. The first values would be then (-2, 4), (-1, 1), (0, 2), (1, 5), (2, 8) graph{|3x+2| [-10.33, 9.67, -1.4, 8.6]}