Answer:
7
Step-by-step explanation:
2r+1
=(2*3)+1
=6+1
=7
Answer: answer is 7
Given that r = 3
We replace r to be 3
2(3) + 1 ......multiply 2 by 3, then add 1
(2 x 3) + 1
= 6 + 1
= 7
