Write down the first four terms of the sequence given by x, = 3" + 2", starting from n= 0. X1 = X2 = X3 = (Simplify your answers.)

Q: Find the sum of the first n terms of:

A: Sum of n terms of geometric seriesSn=a(rn-1)r-1where a= first termr=common ration= number of term

Q: Write the first five terms of the sequence whose general term is an=2/n factorial

A: From provided information, term is given as:

Q: Write the first four terms of the sequence whose general term is given an = (-1)n+1/2n +1

A:

Q: List the first five terms of the sequence. (-1)" - 1 an Te %3! 1. 2.

A: Since you have asked question with multiple sub-parts in a single request, we would be answering…

Q: Calculate the first 5 terms of the sequence an = Factions and as decimals to 3dp. (1+)", expressing…

A:

Q: 5 2² Find the sum of the first 8 terms in the sequence 5, 10, 20,....

A: I am attaching image so that you understand each and every step.

Q: Find the sum of the first 109 terms in the sequence with a1=-3 and d=5.

A: Given  First term a1=−3 Common difference d=5 number of terms n=109

Q: Find the sum of the first 45 terms of an arithmetic sequence whose general term is given by 15 + 5n

A: Given that the general term arithmetic sequence is 15 + 5n.  And we have to find out the sum of…

Q: Write an expression for the nth term of the sequence 1. 1, (1/4), (1/9), (1/16) 2. 2, -1, (1/2),…

A:

Q: Find for the sum of the first 70 multiples of 3.

A:

Q: Write the first term of the arithmetic sequence whose fourth term is 21 and nineteenth term is 111.

A: Given query is to find the first term of a arithmetic sequence whose fourth and nineteenth term is…

Q: What is the formula of the sequence -6,-3,-2,-3/2,-6/5...

A: The sequence is -6,-3,-2,-3/2,-6/5...

Q: Find the ninth term of the arithmetic sequence whose first term is 6 and whose common difference is…

A: Given:First term a1=6Common difference d=-5Formula:an=a1+n-1 d

Q: Write the second term of the sequence.

A: an=(-1)n4n-1

Q: Can the sequence 2, −4, 8, −16, 32, … be represented by an exponential function? Why or why not?

A:

Q: Sanjay's workday varies between 5 and 8 hours in length, based on the day's workload. If you make a…

A: calcxulation of above requirement with proper explanation are as follows

Q: Write the explicit formula for the sequence, Then find the fifth term in the sequence. O an =…

A: .

Q: The sum of the fırst ten terms of this sequence 2.5, 1.25, 0.625, ... is Round answer to three…

A: