Equation: 4(w + 3) = 36
1 answer:
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Answer:
-3/20
Step-by-step explanation:
12 * x + 3 = -8x
Make sure to use PEMDAS.
12x + 3 = -8x
Add 8x to both sides of the equation.
20x + 3 = 0
Subtract 3 to get 20x alone.
20x = -3
Divide both sides by 20.
x =
First we have to find the tangent line:
y - y o = f ` ( x o ) * ( x - x o )
f ` ( x ) = 10 x
y - 80 = 40 ( x - 4 )
y = 40 x - 160 + 80
y = 40 x - 80
There are 2 parts of this region:
A =
A = 40/3 + 320/3 - 320 + 320 - 40/3 + 80 - 160 = 320/3 - 240/3 = 80/3
y - y o = f ` ( x o ) * ( x - x o )
f ` ( x ) = 10 x
y - 80 = 40 ( x - 4 )
y = 40 x - 160 + 80
y = 40 x - 80
There are 2 parts of this region:
A =
A = 40/3 + 320/3 - 320 + 320 - 40/3 + 80 - 160 = 320/3 - 240/3 = 80/3