Abdallah earns AED 30 for each car he washes. He also gives his little brother AED 20 form his weekly earnings. This week, he wa
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Answer
given,
f(x) = 74 - x²
A function is continuous when it is differential at all the points.
so, the given function is continuous for all the value of x.
We should know that if a function is quadratic then it is differential at all the point. And if it is differential then it is definitely continuous.
Hence, there is no discontinuous point present in the equation.
Via Lagrange multipliers:
At these points, we get local minima of
.
- - -
Another way to do this is to make
a function independent of 
, which is made possible by the constraint.
and so on.
At these points, we get local minima of
- - -
Another way to do this is to make
and so on.
Answer:
1320 ways
Step-by-step explanation:
Here we have a situation where 3 ribbons will be awarded to 3 of the 12 contestants. We can use the permutation formula, because the order of awarding the ribbons matters.
The permutation formula is:
n = 12
k = 3
Now that we have our variables, let's plug them into the formula.
So there are 1320 different ways that the contestants will be awarded.