Answer:
3(b+7)=6
Sum means adding, so 3 is multiplied by (b+7)
Answer:
the answer and explanation are In the picture
hope this helps
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4.
first one, since the lower bound is y=0
so what we do is just inetgrate from x=0 to x=8
find an antiederivitive
use u subsitution
u=x²+1
du=2x dx
so factor out the 8
and we know that the antideritivitve of 1/u is ln|u|
8ln|x²+1| is an antideritivive
now
the aera is 8ln65
A is the answer
6.
find where they intersect to find the area bounded
f(x)=g(x) at x=-6 and x=2
and g(x) is on top (we can see that because g(0)>f(0))
so we integrate from -6 to 2
this is easy
use reverse power rules
remember that
the antiderivitive is
so
=
=
=
=
=
=
=
answer is C
Answer:
Step-by-step explanation: