Which of the following is a linear function?
**easy** WILL MARK BRAINLIEST!!!!!!! HELP ASAP!!!!
[tex]a. \: \: \: y = {x}^{3} + 1 \\ b. \: \: \frac{5}{6} x = y - 4 \ \\ c. \: \: \: y = 8 {x}^{2} \\\ d. \: \: \: y = \frac{1}{5x} [/tex]

Which of the following is a linear function easy WILL MARK BRAINLIEST HELP ASAPtexa y x3 1 b frac56 x y 4 c y 8 x2 d y frac15x tex class=