" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x= -b/2a = - 14 / 2(-1) = -14 / -2 = 7
y= -(7)² + 14(7) - 45 = - 49 + 98 - 45 = 4
luego el valor máximo es 4
si x=6
y = -(6)² + 14(6) -45 = - 36 + 84 - 45 = 3
si y= 2
2= -x² + 14x - 45
0 = -x² + 14x - 47
por la formula cuadrática tenemos dos resultados
x= 5.58 y x= 8.41