If the rule for the sequence is 4n-1,what is the 3rd term?

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g