Pus). I
2. Sea la sucesión aritmética definida por la fórmula
un = 5 + (n − 1) X7
Aplica los conceptos de la suma de términos de una sucesión para determinar la suma de
los primeros veinticinco términos. (5 puntos)​

step-by-step explanation:

ok so im not 100% sure but you would start by adding 5.1t and 1.9t beacuse they have the same variable. that is 7t.   then add -3.6 + 1.2 which is -2.4

so then keep that as -2.4 + 7t. i apologize if this is incorrect. best luck on your test < 3

answer: sine

step-by-step explanation:

table 3 represents a direct variation function. : )

b. 2 and 4

step-by-step explanation: