Q71.

Question

Evaluate each expression. (Lesson 1-2)

If n=-1 then 2n+1=?

Step-by-Step Solution

Verified
Answer

The value of the expression 2n+1 is 1.

1Step 1. Given.

The given expression is 2n+1 and the given value is n=1.

2Step 2. To find.

We have to find the expression 2n+1 for n=1.

3Step 3. Calculation.

We will plug n=1 in the expression to find the value of the given expression.

21+1=2+1             =1

 

Hence, the value of the expression 2n+1 is -1.