Which is a cubic function? f(x) = 3x + 1
f(x) = 3x2 + x + 2
f(x) = 5x3 + 2x + 1
f(x) = x3 + x4 + 5

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

Which compound inequality could be represented by the graph?