Which function's graph has a y-intercept of 2? Ο Α.
a. f(x) = 0.5(2)2 + 1
ОВ.
a. f(x) = 1.5(2)X
ОС.
a. f(x) = 3X+ 2
O D.
a. f(x) = 0.5(2)*+ 1.5

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

Can someone me out here number 4 plz

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?