Why can't first differences be used to tell if the following

Last updated: 7/17/2022

Why can't first differences be used to tell if the following data is linear? (2,8), (6,11), (8,14), (11,17) Choose the correct answer below. A. The first differences are not equal. B. The difference between inputs is not constant. C. The inputs and output values are all positive. D. The difference between inputs is constant.