-4(x-1)=-3x+13-9-x
-4x+4=-3x+4-x
-4x+4=-4x+4
-4x=-4x
0=0
It's the value of 
when 
:
When , the derivative/slope is 2, so the answer is C.
Answer: 15h^2 + 26h -21
Step-by-step explanation:
Use the foil method. Multiply in this order
First, 5h*3h= 15h^2
outer, 5h*7 = 35h
inner, -3*3h= -9h
last, -3*7= -21
Now add them all together
15h^2 + 35h + -9h + -21
Combine like terms
15h^2 + 26h -21
Hello,
u(n)=2n+5
u(1)=2*1+5=7
u(2)=2*2+5=9
u(3)=2*3+5=11
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