Explicación paso a paso:
Punto de corte : (0 ;4)
f(x) = x² -2x + b
4 = b
___
f(x) = x²-2x+4
f'(x) = 2x -2 +0 = 0
f'(x) = x = 1 → h
h = 1
f(1) = 1-2+4
f(1) = 3 → k : mínimo
Vertice :
( a ; c)
( 1 ; 3)
a = 1
b = 4
c = 3
____
Suma = 8
Respuesta : 8
xdd
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Explicación paso a paso:
Punto de corte : (0 ;4)
f(x) = x² -2x + b
4 = b
___
f(x) = x²-2x+4
f'(x) = 2x -2 +0 = 0
f'(x) = x = 1 → h
h = 1
f(1) = 1-2+4
f(1) = 3 → k : mínimo
Vertice :
( a ; c)
( 1 ; 3)
a = 1
b = 4
c = 3
____
Suma = 8
Respuesta : 8
xdd
Si el vértice de la grafica de y=c²+4x-2 es (a;b).Calcular el valor de "ab+ba"
4
3
17
8