Question

graph of y = g(x) is shown. which of the following is the best estimate for the monthly mean number of sunspots in december 2015? a 33 b 43 c 53 d 63

Explanation:

Step1: Calculate months passed

December 2014 to December 2015 is 12 months.

Step2: Locate on graph

Find the value on the y - axis corresponding to x = 12 on the line graph. The line appears to be around 53 on the y - axis (Monthly mean number of sunspots) when x = 12.

Answer:

C. 53