Do the functions in the table represent exponential growth or exponential decay?

What is the y-intercept of the line given by the equation

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex

If sin(x) = 0 and cos(x) = 1, what is tan(x)?