" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
y-1= -2*(x+2)
y=-2x-3, f(x)=y
entonces f(2)=-2*2-3=-7
x1= -2
y1= 1
FORMULA DE LA ECUACION DE LA RECTA
y - y1 = m*(x-x1)
y - 1 = -2*[x-(-2)]
y - 1 = -2*(x+2)
y - 1 = -2x - 4
y= -2x - 4 +1
y= f(x) = -2x - 3
y= f(2) = -2 (2) - 3
f(2) = -4 - 3
f(2) = -7