Determine the indicated term in the following arithmetic sequences. 1.) a subscript 5: {2, 5, 8, ...}
2.) a subscript 20: {4, 8, 12, ...}
3.) a subscript 18: {0,20,40,60, ...}

Step-by-step explanation:

Solving (a):

We have:

--- first term

common difference

The 5h term is:

Solving (b):

We have:

--- first term

common difference

The 20h term is:

Solving (c):

We have:

--- first term

common difference

The 18th term is:

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