(a) the curve y = x/(1 + x2) is called a serpentine. find an equation of the tangent line to this curve at the point (3, 0.30). (round the slope and y-intercept to two decimal places.)

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

The standard distance between studs in a house is 1.5 feet. if you have a set of blueprints for a house that mark every 1.5 feet with 2 in., by how many inches will a 13-foot wall be represented?

Which of the following tables represents exponential functions?