Answer:
C
Step-by-step explanation:
Domain is the x-values.
The highest x-value in this graph is 8.
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The hole is x+4=0 because (x+4) is canceling out so the hole x=-4
Hopes this loves.
Answer:
8
Step-by-step explanation:
yep that's the answer all you have to do is.
{x + 3y <=36
{x + 1.5y <=20
{x = y
y+3y<=36
4y<=36
y<=9
y+1.5y<=20
2.5y<=20
y<=8
min(8,9) = 8
x = 8, y = 8
identity used is
x³ + y³+ z³– 3xyz = (x + y + z) (x² + y² + z² – xy – yz – zx).
then use
(x+y+z)² = x²+y²+z²+2(xy+yz+xz)
225= 83 + 2(xy+yz+xz)
xy+yz+xz = (225-83)/2
xy+yz+xz= 142/2
xy+yz+xz= 71
ok
now use identity
x³ + y³+ z³– 3xyz = (x + y + z) (x² + y² + z² – xy – yz – zx).
now
x³ + y³+ z³– 3xyz = 15 (83 – xy – yz – zx).
= 15[83 - (71)]
= 15×12
=180
