2. a style of dance music marked by some of the features of jazz.
The graph of y = 2x+1 is a straight line. 1  When x increases, y increases twice as fast, hence 2x. 2  When x is 0, y is already 1.  So: y = 2x + 1.
For example, f(x)= x + 6. However there are many forms to express linear functions. This assignment will focus on the slope - intercept form; f(x) = mx + b. Therefore, the above function has slope 1 and y-intercept 6. The graph of a linear function is always a straight line. Adding linear Functions.