If C=n^{2}+9n-8C=n 2 +9n−8 and D=3n-4,D=3n−4, find an expression that equals 2C+3D2C+3D in standard form.

horizontal translation of 2 units in the positive x direction

followed by

vertical translation of 3 units in the positive y direction

the answer is:

the correct option is the option b.

to calculate the surface area of the right cylinder, we need to use the following formula:

from the picture we know that:

so, substituting and calculting we have:

hence, we have that the correct option is the option b.

have a nice day!

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6: 4= 3/2

18: 8= 9/4

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