The race speeds for the top eight cars in a 200-mile race are listed below. Use the range rule of thumb to find the standard deviation. round results to nearest tenth 185.9 179.5 189.2 176.7 175.6 188.7 186.3 177.9

A: 6.8 B: 3.4 C: 7.5 D: 1.1

Which statement best explains whether the table represents a linear or nonlinear function? input (x) output (y) 2 5 4 10 6 15 8 20 it is a linear function because the input values are increasing. it is a nonlinear function because the output values are increasing. it is a linear function because there is a constant rate of change in both the input and output. it is a nonlinear function because there is a constant rate of change in both the input and output.