What is the solution for this inequality?
2 answers:
For this case we have the following expression:
We must clear the x:
The -10 that multiplies the x, must be passed to the other side of the inequality, in the form of division. It should be noted that the sense of inequality changes because the number is negative. So, we have left:
Dividing we have:
Answer:
Option C
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ANSWER
The vertex of g(x) is (2,-5).
EXPLANATION
The given function is:
The vertex form of this function is:
This is of the form
where (h,k) is the vertex.
When we to
h=2 and k=-5
The vertex of the parabola is (2,-5).
Answer: 60 different numbers can be formed
Step-by-step explanation:
Note that we have 5 different digits, and we must select 3 of them. They should not be repeated
The order of selection is important in this case, because the number 532 is not the same as the number 235.
So we have a permutations problem, where we have a set of n elements and we want to choose r from them.
Then we define the permutacion as:
In this case note that n=5 because there are 5 elements in the set.
r = 3 because we combine the elements to form three-digit numbers
Then: