Try another version of this question Get help: Box 1: Enter your answer as letters. Examples: A B C, linear, a cat Box 2: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4) Box 3: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Is the sequence `a_n=9+4 n` arithmetic?
Your answer is (input yes or no):
If your answer is yes,
its first term is
and its common difference is
.
yes
Enter DNE for Does Not Exist, oo for Infinity 13
Enter DNE for Does Not Exist, oo for Infinity 4