You need to use the distributive property. So you take the -9 from outside the parentheses and multiply itself by the numbers inside.
Answer:
3x^2 + x -12 + 15/(x^2+4)
Step-by-step explanation:
Your minimum is at (6,2)
your vertical intercept is at (0,32)
your domain: (-infinity, infinity)
your range: [2, infinity)
Answer:
x=9
Step-by-step explanation:
The expression is for the interior angle of the hexagon; one interior angle is equal to .
Since an interior angle of a hexagon measures 120°, we have the equality
.
Now it is just a matter of solving for
11x=120-21
11x=99
x=99/11
x=9