1. a) Completati, astfel încît functiaf:R - R. f(x) = x+3, să fie strict descrescătoare
b) Reprezentati grafie funcția f.
c) Aflati zeroul funcției f.
d) Determinati semnul funcției f.
e) Precizati panta graficului functiei f.​

Negative 5 1/12 + negative 4 1/4 + 6 3/4

At the olympic games, many events have several rounds of competition. one of these events is the men's 100-meter backstroke. the upper dot plot shows the times (in seconds) of the top 8 finishers in the final round of the 2012 olympics. the lower dot plot shows the times of the same 8 swimmers, but in the semifinal round. which pieces of information can be gathered from these dot plots? (remember that lower swim times are faster.) choose all answers that apply: a: the swimmers had faster times on average in the final round. b: the times in the final round vary noticeably more than the times in the semifinal round. c: none of the above.

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?