g(x)=√(x+1)
Let's plug 10 in for x
g(10) = √(10+1)
Simplify the exponents
g(10) = √(11)
This is the exact form but it can also be expressed as a decimal.
√(11) = 3.31662479
You can simplify as needed

The formula of the sum of the arithmetic sequence:

calculate:

substitute

Your answer is:
Answer:
Step-by-step explanation:
9.5 is your answer if you can do that because 3/2 is 1.5