What is the meaning of the base of the function y= -log(x)?

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

Ineed someone to me answer my question i have to have this done and knocked out

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points