Raul opened a savings account with $2900. Each week, d, Raul pays the dog sitter $20 from his savings account. Write a function, f (d) , that is equal to the amount if money in the account after raul pays the dog sitter each week.

f(d) = 2900 - 20d

Step-by-step explanation:

We start with 2,900 and each week 20 is deducted from the account.

f(d) = 2900 - 20d

the best buy, is the 4- kilogram bag of lollipops for $18.40.

step-by-step explanation:

i found my answer by dividing the cost of each bag by their respective weights.

14.88 divided by 2 = 7.44

17.29 divided by 3 = 5.77

18.4 divided by 4 = 4.6

24.4 divided by 5 = 4.88

by this, i found that the 4 kilo bag is the best buy.

the graph is negative for all real values of x where   -6 < x < -2.

step-by-step explanation:

this refers to the values of f(x) in the area below the x-axis.