Question

The price per gallon of gasoline at a truck stop increases by 21% over the course of a year due to a shortage of oil. The following expression represents the price per gallon of gasoline, in dollars, after t years.

2.15(1.21)^t

Write an exponential expression in the form (b)c that reveals the monthly rate of increase of the price of gasoline. Round any decimals to the nearest thousandth.
(b)^c

Answer 1

here is what i found 2.15x(1+0.21 )^1 or 2.15(1.21) ^1 or 2.15x121

Answer 2

its one of thoes i think

Answer 3

im not sure tho

Answer 4

which one do you think is the best answer

Answer 5

the first one

Answer 6

ugh as soon as i put the answer it timed out

Answer 7

oh im so sorry

Answer 8

its okay