Вычислите значение функции если. Created by gennadiiyy. algebra-ru

Вычислите значение функции если...

Kазак 1) y= (-16-2)/16-20
y=-18/-4
y=9/2
2) y= (20-2)/25+25
y=18/50
y=9/25
3) y= (-4/3-2)/1/9-5/3
y=(-10/3)/(-14/9)
y=15/7

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Evgenia4836

Verified answer

Y=(4x-2)/(x^2+5x)

x=-4
y=(-16-2)/(16-20) = -18/(-4) = 9/2 = 4 1/2

x=5
y= (20-2)/(25+25)=18/50 = 9/25

x=-1/3
y= (-4/3-2)/(1/9-5/3) = -10/3/(1/9 -15/9) = -10/3 / (-14/9) = 10*9/(3*14) = 5*3/7 = 15/7 = 2 1/7

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