Answer:
Step-by-step explanation:
Charge on atom is due to electron
Electron have negative charge while proton have positive charge and neutron have no charge. If there are 10 proton (10 positive charge)
Hello :
<span>f(x)= x +2 and g(x)= 1/x
</span><span>(g o f)(x) = g(f(x))=g(x+2) = 1/(x+2)</span>
First picture:
You got the first two right (good job!), so I'll just tackle the third one. If you have to compute
, it means that you have to substitute
in place of
. Differently from the first two points, this will generate a new function, rather than a specific value:

Second picture:
Given the point
highlighted in the picture, you can deduce that the base is
units long (since it spans from
to
) and the height is
units long (because it spans from
to
). So, the area of the rectangle is the multiplication between base and height:

But we know that
, so we have

The domain of this function is given by the domain of the square root: we want its argument to be non, negative, so we have

But since the problem is symmetric, the answer is

You can only see the answer
because, if you choose
or
, the rectangle degenerates to a segment, and your exercise doesn't like this scenario, apparently
Answer:
8
Step-by-step explanation: