Answer:
2(5+2(2))=
2(5+4)=
2(9)=
18
Step-by-step explanation:
Y=-x²+12
This is a parabola opening downward because the coefficient of x² =1 >0
The domain (the value of the input of x) is all real numbers.
to find some points (& you can extend to 1,000,000 points) that are on the graph, replace x by any value & you'll find the related value of y
Example:
f(1)= 1²+12 = 13 ==> for x=1 y=13 & this points ∈ to the parabolas
f(2) = 2²+12 =16 ===> for x=2, y=16) this points ∈ to the parabolas
and so on & so forth
Answer:
See the graph and explanation below.
Step-by-step explanation:
For this case we have the following function:
We can calculate some points in order to see the tendency of the graph, we can select a set of points for example 
and we can calculate the values for f(x) like this
x=-2
x=-1.5
x=-1
x=0
This point correspond to the y intercept.
x=1
x=2
We don't have x intercepts for this case since the functionnever crosses the x axis.
And then we can see the plot on the figure attached.
-7x2p= -14p
-7x-4k= 28k (negative x negative = positive
-14p+28k=....
2xp=2p
2x1=2
-14p+28k+2p+2
(-14p+2p) +28k+2
-12p+28k+2
or
28k-12p+2
Add up 18 and 30. You'll get 48. Then 18/48 of the class is female. Of course this could be simplified: 18/48 = 3/8. Then 3/8 of the class is female and 5/8 is male.
