Chapter 8.4A, Problem 15A

Let $t\left(n\right)$ represent the $n\text{th}$ term of a sequence for $n\in N$. Answer the following.

a. If $t\left(n\right)=4n-3$, determine which of the following are output values of the function:

i. $1$

ii. $385$

iii. $389$

iv. $392$

b. If $t\left(n\right)=n^2$, determine which of the following are output values of the function:

i. $0$

ii. $25$

iii. $625$

iv. $1000$

v. $90$

c. If $t\left(n\right)=n\left(n-1\right)$, determine which of the following are in range of the function:

i. $0$

ii. $2$

iii. $20$

iv. $999$