BRAINLIEST!!
19. Which linear function below is increasing at the fastest rate?

Answer:
a(x)
Step-by-step explanation:
The rate is a measure of the slope of the line
The fastest rate is the line with the steepest slope, that is a(x)
Answer:
a(x).
Step-by-step explanation:
That is the one with the steepest slope.
The slope = rise / run = difference in y coordinates / corresponding difference in x coordinates of a point on the line.