Erin wants to purchase 3 cds for $10 each. how much money
does she need?

see attached

step-by-step explanation:

given the function as;

write the equation replacing f(x) with y

form   and fill a table containing values of y with corresponding values of x

you can take a range for   values of x as -3≤x≤3

solving for x=-3

for x=-2

repeat the same procedure to get the values of y for the remaining ,x=-1 to x=3

plot the values of y against values   of x and obtain the following graph

at least two

step-by-step explanation:

answer: (1,3) (3,-1) (5,-5) ?

step-by-step explanation: