The explicit formula for the geometric sequence -11 -1,3 - 9,... is f(x) = - 1(-3)^x- 1. What is the common ratu
and recursive formula for this sequence?
3; f(x + 1) = 3(f(x))
-3; f(x + 1) = -3(f(x))
3; f(x+ 1) = 1/3(f(x))
-3; f(x+1) = 1/3(f(x))

What is the fewest number of full weeks briyana would have to work to have enough money? 8 weeks9 weeks 10 weeks11 weeks

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z

A6 ounce bottle of dressing costs $1.56 a 14 ounce bottle costs $3.36 a 20 ounce bottle costs $5.60 which has the lowest cost per ounce