1
1)y=√x+4 D(y)∈[-4;∞)
x -4 -3 0 5
y 0 1 2 3
(-3;5] y наиб=3
2)у=√х-2 D(y)∈[2;∞)
x 2 3 6 11
y 0 1 2 3
(3;6] y наиб=2
2
1)√x=-x+2
y1=√x y2=-x+2
x 0 1 4 9 x 0 2
y 0 1 2 3 y 2 0
x=1
2)√x+2=x-1
y1=√x+2 y2=x-1
x -2 -1 2 7 x 0 1
y 0 1 2 3 y -1 0
x≈3,2
3
1)√x+1=2
x+1=4
x=4-1=3
2)√x-2=1
x-2=1
x=1+2=3