Which value is an input of the function
2 answers:
Answer:
D. 4
Step-by-step explanation:
We have been given graph of a function. We are asked to choose the value, which is input of the given function.
We know that input of a function is value of the independent variable. Upon looking at our given graph, we can see that x is independent variable.
All the values in domain of our a function will be input values.
We can see that domain of our given function is .
Our function is defined for x values that are greater than or equal to 1, so first three options are not correct choice.
Since our function is defined at , therefore, 4 is an input of the given function.
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Answer:
Step-by-step explanation:
refers to the permutations of 5 items taken 3 at a time. To evaluate this, we use factorials as follows;
The factorial of an integer n is evaluated as;
Using this concept, the above expression can now be simplified as follows;
Therefore, the permutations of 5 items taken 3 at a time is 60.
The next expression, refers to the combinations of 6 items taken 4 at a time. The simplification utilizes similar concepts of permutations since we shall be involving factorials;
Therefore, the combinations of 6 items taken 4 at a time is 15.
The final step is to evaluate the product;