Question

ed painted a portrait of his friend. the graph shows his progress over the four-hour period he spent painting.

ed painted most of the portrait during the first hour, and he painted the least amount during the third hour.

:: second :: fourth

part b
which statement best describes the rate at which ed painted?

ed painted very slowly at first, then quickly, and then rested.
at first, ed painted quickly, but his rate of painting continued to slow throughout the four hours.
ed painted at a constant rate for the first two hours and then rested most of the third and fourth hours.
eds rate of painting increased throughout the four hours he painted the portrait.

Explanation:

Step1: Analyze Part A graph slope

The steeper the graph slope, the more painted. The first hour has the steepest slope, the fourth hour has the flattest slope.

Step2: Match Part A to options

Fill the blanks: most in first hour, least in fourth hour.

Step3: Analyze Part B graph trend

The graph starts steep, then gradually becomes less steep, meaning the painting rate slows over time.

Step4: Match Part B to options

Select the statement matching the slope trend.

Answer:

Part A:
Ed painted most of the portrait during the first hour, and he painted the least amount during the fourth hour.

Part B:
B. At first, Ed painted quickly, but his rate of painting continued to slow throughout the four hours.