Función cuadratica
en una isla se introducen 112 iguanas el 5 de noviembre de este año. el numero de iguanas a los "t" años de haberlos dejado en la isla dado por: i(t)= -1. (t-1) ²+233
a-¿calculen en que año la cantidad de iguanas fue mayor y cuantas iguanas hubo ese año?
b-¿en que momento la poblacion de iguanas se extingue?
c-¿a los 3 años cuantas iguanas habian?

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.

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Janet is rolling a number cube with the numbers one through six she record the numbers after each row if she rolls of keep 48 times how many times should she expect to roll a 4