Which function g represents the exponential function f(x) = 5x after a vertical stretch by a factor of 2 and a reflection across the x-axis? A. g(x) = (2 ⋅ 5)−x B. g(x) = −(2 ⋅ 5)x C. g(x) = 2 ⋅ (5)−x D. g(x) = −2 ⋅ (5)x

Having a hard time understanding this question (see attachment).

The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse.a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?

Melanie is buying a bathing suit that costs 39.99. she is given a discount at the cash register of $6.00 when she scratched 15% off on a game piece for a store promotion. what will the sale price of melanie’s bathing suit be?