The height of a projectile (in feet) launched vertically upward from the top of a 280- foot tall bridge is given by the function f(t) = -16t2 + 48t + 280, where t is the time in
seconds after launch. What is the height of the projectile after 2 seconds?

Jason went to an arcade to play video games. he paid $2 for every 11 tokens he bought. he spent a total of $16 on tokens. which equation can be used to determine,t, the number lf tokens jason bought

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

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?