What kind of wave is a sound wave? Why?

F(x) = (x^2 + 3x − 4) and g (x) = (x+4) find f/g and state the domain.

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?

What is the slope of the line that passes through the points (–9, 2) and (0, 4)? the slope of the line is