For a given input value v, the function f outputs a value u to satisfy the following equation.
u-5 = -4(0-1)
Write a formula for f(u) in terms of v.
f(u) =

-4v+9

Step-by-step explanation:

u - 5 = -4(v - 1)

u - 5 = -4v + 4

+5 +5

u = -4v + 9

the ratio of grapes to blueberries she should use is 12: 3

step-by-step explanation:

if mandie is making 15 cups of fruit salad, the ratio of grapes to blueberries she should use is 12: 3.