Help me please ASAP, thanks!

Asap describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x). f(x)=-5.8sin x. g(x)=sin x. a: vertical stretch by a factor of 5.8, reflection across y-axis. b: vertical stretch by a factor of 5.8,reflection across x-axis. c: horizontal stretch by a factor of 5.8, reflection across x-axis. d: horizontal stretch by a factor of 5.8 reflection across y-axis.

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?