Arithmetic/Geometric Sequences

Arithmetic sequences are​ (a)   patterns, which make them ​ (b)   functions

Geometric sequences are ​ (c)   patterns, which make them ​ (d)   functions

• addition
• linear
• multiplication
• exponential

Which of the following is an arithmetic sequence with common difference 2?

• 1, -3, 5, -7, 9,...

• 2, 4, 8, 16, 32,...

• 10, 8, 6, 4, 2,...

• 13, 15, 17, 19, 21,...

What is the expression in terms of n for the sequence a_n  as defined in the input-output table?

The table shows the beginning of a sequence. Use it find the term value for term number 10

only type a number