Find the sum. +  +  +  + ... + 

A. -  (1 - 3n)
B.  (1 - 3n)
C. -  (1 - 3n)
D. -  (1 - 3n)

Answer: A

Mathematics

You might also like to view...

Perform the indicated operation.  (Round to the nearest hundredths when necessary.)

A. 2.79 B. 0.23 C. 2.29 D. 0.28

View
Mathematics

Factor by grouping.15x2 - 20xy + 9xy - 12y2

A. (5x - 3y)(3x - 4y) B. (5x + 3)(3x - 4) C. (15x + 3y)(x - 4y) D. (5x + 3y)(3x - 4y)

View
Mathematics

Use the distributive law to factor the given expression.2m + 6n + 10

A. 2(m + 3n + 5) B. 2(m + 6n + 10) C. 2(m + 3n + 10) D. 6(2m + n + 10)

View
Mathematics

Find a formula for the inverse of the function described below.A size 6 dress in Country C is size 44 in Country D. A function that converts dress sizes in Country C to those in Country D is 

A. f-1(x) =   - 16
B. f-1(x) = 
C. f-1(x) = x - 16
D. f-1(x) =   + 16

View
Mathematics