If f(x)= 3x - 1 and g(x) = x+2, find (f +g)(x)
a. 3x-3
b. 4x+1
c. 2x-1
d. 2x-3

At 6 1/2 cents per pound of string beans how much does 7 pounds cost

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?