Ho do you get the Surface Area of this shape?
1 answer:
This solid object contains 8 sides.
The side that is facing you has a surface area:
The side exactly opposite this one has the same surface area - 2 sides with this surface area in total.
The bottom side has a surface area:
The side to your right has a surface area:
The side to your left has a surface area:
The side to your top left has a surface area:
The side beside the side to the top left has a surface area:
The side at the very top has a surface area:
Combined, the surface area is:
Therefore the answer is: C
The side that is facing you has a surface area:
The side exactly opposite this one has the same surface area - 2 sides with this surface area in total.
The bottom side has a surface area:
The side to your right has a surface area:
The side to your left has a surface area:
The side to your top left has a surface area:
The side beside the side to the top left has a surface area:
The side at the very top has a surface area:
Combined, the surface area is:
Therefore the answer is: C
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Hello!
A cubic function is in the form of .
All cubic functions have a domain of all real numbers, the range also has a range of all real numbers.
Interval notation is used for representing a function/interval as a pair of numbers. Parentheses and brackets are used to show if the endpoints of a given function/interval are included or excluded. Brackets allow the endpoints to be included while parentheses exclude the endpoint.
Our first instinct would be that the domain is written as [-∞, ∞], but that is incorrect. Infinity is not a number, but it is a concept. This means that they are excluded from the domain.
Therefore, the domain of the function f(x) is (-∞, ∞).