Timothy bought groceries two days during the week.

timothy purchased $11.25 worth of groceries and paid $12.15
after taxes on monday.
timothy paid $59.13 after taxes on a purchase of groceries that
cost $54.75 on friday.

which equation models the relationship between y, the cost of groceries after taxes, and x, the cost of groceries before taxes?

a: y= 0.09x

b: y= 1.08x + 0.09

c: y= 0.9x + 12.15

d: y= 1.08x

The equation shown below represents function f. f(x)= -2x+5 the graph shown below represents function g. which of the following statements is true? a. over the interval [2, 4], the average rate of change of f is the same as the average rate of change of g. the y-intercept of function f is less than the y-intercept of function g. b. over the interval [2, 4], the average rate of change of f is greater than the average rate of change of g. the y-intercept of function f is greater than the y-intercept of function g. c. over the interval [2, 4], the average rate of change of f is the same as the average rate of change of g. the y-intercept of function f is greater than the y-intercept of function g. d. over the interval [2, 4], the average rate of change of f is less than the average rate of change of g. the y-intercept of function f is the same as the y-intercept of function g.