Match the following items. series
1. a series whose terms are formed by multiplication
2.1
geometric series
permutation
3. a study of likelihoods
4. symbol is!
5. a set of elements that does not consider order
6. a set of elements in a specific order
Pascal's triangle
arithmetic series
Sigma
combinations
7. an array of numbers
probability
factorial
8. a series whose terms are formed by addition
9. a symbol for a sum
10. a sum of numbers in a specific order
sequence
0!
11. numbers arranged in a specific order

for this pair of functions g(x)=x-2 and f(x)=|x| is (g o f)(a)= |a| -2

step-by-step explanation:

g(x)=x-2

f(x)=|x|

(g o f)(a)=?

(g o f)(x)=g(f(x))

(g o f)(x)=g(|x|)

(g o f)(x)=|x|-2

(g o f)(a)=|a|-2

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step-by-step explanation:

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b

step-by-step explanation:

this is because the profit is decreasing and turning into debt