A table of values for a linear function f is given. xf(x)
−3
9
0
3
2
−1
5
−7
7
−11
(a) Find the rate of change of f.

(b) Express f in the form
f(x) = ax + b.

f(x) =

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%

Find two numbers if their sum is 91 and the ratio is 6: 7?