A. f(n) = (3) n - 1; f (5) =405
b. f (n) = 6(3) n-1; f (5)= 486
c. f (n) =6(3) n; f (5) = 1,458
d. f(n) = 6(3) n+ 1; f (5) = 4,374
need the answer asap on a time limit

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

Select the sequences that are geometric.

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?