Question

An elephant calf is born weighing 282 pounds and gains about 2.5 pounds each day for its first year of life. After one year, the calf weighs approximately 1,195 pounds. The graph represents the line of best fit for the data. Which of the following interpretations of the slope is accurate?

(1 point)
Responses

The calf gains 5 pounds every 2 days.
The calf gains 5 pounds every 2 days.

The calf gains an average of 1,195 pounds over one year of life.
The calf gains an average of 1,195 pounds over one year of life.

The calf gains 365 pounds in 913 days.
The calf gains 365 pounds in 913 days.

The calf gains 737 pounds over 182 days.

Answer 1

"The calf gains 5 pounds every 2 days."

Reason: the slope is 2.5 pounds per day. That is equivalent to 5 pounds every 2 days. The other choices misinterpret the slope (1195 is a weight, not a rate; 365 in 913 days and 737 over 182 days do not match 2.5 lb/day).