F(n) = 2 + 4(n-1)
f(n) = f(n-1) + 5
which one is an explicit formula?

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

Precalculus question, image attached.