A foul ball leaves the end of a baseball bat and travels according to the formula h(t) = -16t? +64t where h is the height of the ball in feet and t is the time in seconds.
How long will it take for the ball to reach a height of 64 feet in the air?

The federal reserve controls certain interest rates in the united states. investors often try to speculate as to whether the federal reserve will raise or lower rates and by how much. suppose a company conducts extensive interviews with financial analysts, and as a result, predicts that "thefed" will increase rates by an average of 0.25 percentage points every six months for the forseeable future. which type of equation could be used to model the predicted interest rates over the next several years, assuming no other significant changes? a) a linear equation b) a quadratic equation c) a polynomial equation d) an exponential equation