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poohnia
12.03.2021 •
Mathematics
Complete the following statements using m(x) = x² and n(x) = x – 3.
m(n(x)) = m(x – 3)
= (
x – 3
)²
n(m(x)) = n(x²)
= x² –
Because m(n(x)) is
n(m(x)), the composition of m and n is not commutative.
Therefore, function composition is not commutative.
Solved
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Ответ:
x-3, 3, is not equal to
Step-by-step explanation:
Ответ:
m
n
(x), x ≠
Step-by-step explanation:
the answer is 0
Ответ:
A.![\text{Volume of the prism made by }\Delta PQR =12960\text{ inch}^3](/tpl/images/0487/0642/7cf90.png)
B.![\text{Volume of prism made by }\Delta XYZ=2304\text{ in}^3](/tpl/images/0487/0642/ebbd8.png)
Step-by-step explanation:
We have been given bases of two triangular prisms.
A. Since we know that volume of triangular prism is base area of the prism times height of the prism.
Since base of our given prism is right triangle, so area of the base of prism will be:![\frac{1}{2}\times 48\text{ inch}\times 36\text{ inch}](/tpl/images/0487/0642/d8d39.png)
Upon substituting our given values in volume formula we will get,
Therefore, volume of the prism made by triangle PQR is 12960 cubic inches.
B. Let us assume that both prism are similar, so we can use proportions to solve for the volume of triangle XYZ.
Let us find the proportion between the sides of both triangles.
Since for volume of triangular prism we multiply base area and height of the prism, this means we will have to multiply the proportion of each side length 3 times to find the proportion of volumes between our both prism.
So we can set proportion for volume of both prisms as:
Upon substituting volume of prism made by triangle PQR we will get,
Let us multiply both sides of our equation by 7776 cubic inches.
Therefore, the volume of prism made by triangle XYZ is 2304 cubic inches.