PLEASE HELP I'LL GIVE BRAINLYEST PLEASE IM STRUGGLING

Considering only functions that have a rate of change less than that represented in the graph, which function has the greatest rate of change?

A. y= 7/6x + 2/3
B. y= 7/5x + 7/5
C. y= 6/5x + 11/5
D. y= 5/4x + 15/4​

PLEASE HELP ILL GIVE BRAINLYEST PLEASE IM STRUGGLING Considering only functions that have a rate of change less than that represented in the graph which functio class=