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frankierice020
25.09.2019 •
Mathematics
What are the apparent zeros of the cubic function graphed above? (also if you have the answers to the rest of this test plz send them thx)
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Ответ:
C. {-1,2}
Step-by-step explanation:
We are given the graph of a cubic function.
Fundamental Theorem of Algebra states that 'An n-degree function will have n number of zeroes'.
Thus, the given cubic function will have 3 zeroes.
Since, we see that,
The graph of the function is crossing the x-axis at the point -1.
So, x= -1 is a zero of the cubic function.
Also, the graph of the function touches the x-axis at the point 2.
So, x= 2 is also a zero of the cubic function with multiplicity 2 (i.e. they are repeating zeroes).
Thus, the three zeroes of the cubic function are -1, 2 and 2.
Hence, according to the options,
The zeroes of the cubic function are {-1,2}.
Ответ:
Amount of paper needed to cover the entire box is:
360 in²
Step-by-step explanation:
Amount of paper needed to cover the entire box
= Total surface area of the box
= Total surface area of the cuboid
=2(l×b+b×h+h×l)
where l is the length of box
h is the height of the box
and b is the width of the box
Here, l=18 in.
b=6 in.
and h=3 in.
Amount of paper required to wrap the box
=2(18×6+18×3+6×3) in²
= 360 in²