The answer is D. In the function

, A value of 5 would make the denominator 0. This is undefined, so 5 is excluded.
Answer:
1. c
2. h
3. f
4. e
5. g
6. c
7. b
8. a
Step-by-step explanation:
I can go more in depth if you'd like!
Each ticket costs $7 and on Friday every ticket is discounted by $2 so the cost of every ticket would be $5 on Friday and 5x9=45 so the cost for 9 tickets on Friday is worth $45
Only 3 and 9 are both the subset of odd numbers and the subset of multiples of 3.
Step-by-step explanation:
Total numbers of pizza toppings = 12
Number of three topping pizzas can be ordered are:

where = n = number of elements
k = number of elements choosen
n= 12 , k = 3

We calculated the number of permutations. We made this choice because in permutation order of element matters but in combination its not.