Use the partial sum formula to find the partial sum of the given arithmetic sequence.Find the sum of the first four terms of the arithmetic sequence: -7, -19, -31, . . . .
A. -57
B. -76
C. 100
D. - 100
Answer: D
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Find the dimension of the object and state whether or not it is a fractal.You generate the object from a line segment by deleting the middle third of each line segment of the current figure.
A. The dimension is less than 1 and the object is fractal (Cantor set). B. The dimension is equal to 1 and the object is ordinary (non-fractal). C. The dimension is between 1 and 2 and the object is fractal (Cantor set). D. The dimension is greater than 2 and the object is ordinary (non-fractal).
Find the standard divisor for the given situation. Round your answer to two decimals.A small country consists of 7 provinces with the following populations: 
There are 200 federal judges to be apportioned according to the population of each province.
A. 755.6 B. 960.59 C. 880.38 D. 1123.98
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = |x + 1|
A. 
B. 
C. 
D. 
Find the inverse of the matrix.
a. 
b. 
c. 
d. 
e. 