Y=√(x*(3+x)(4-x))
x*(3+x)(4-x)≥0
x=0 x+3=0 x=-3 4-x=0 x=4
-∞______+______-3_____-______0_____+______4_______-______+∞
Ответ: x∈(-∞;-3]U[0;4].
<span>0/3^x=1000/27</span>
<span>0.09x=1000/27</span>
<span>x=1000/27/0.09</span>
<span>x=1000/300</span>
<span>x=3.3</span>
Y=-3/8x+15
y=5/6x+73
-3/8x+15=5/6x+73
-9/24x+15=20/24x+73
-9/24x-20/24x=73-15
-29/24x=58:(-29/24)
x=48
y=-3/8*48+15
y=-18+15
y=-3
-3+48p=0
48p=3:48
p=1/16