Question

Evaluate 2r + 1 if r=3

Answer 1

Answer:

7

Step-by-step explanation:

2r + 1

Let r = 3

2(3)+1

6+1

7

Answer 2

Step-by-step explanation:

We have,

• r = 3

$\sf 2r+1$

Put the value of r,

$\longmapsto \sf 2(3)+1$

$\longmapsto \sf 6+1$

$\longmapsto \sf 7$