Let f(x)=8xf(x)=8x . what function represents a transformation of f(x)f(x) by a vertical stretch with factor 2?

a. g(x)=812xg(x)=812x

b. g(x)=12⋅8xg(x)=12·8x

c. g(x)=2⋅8xg(x)=2·8x

d. g(x)=82x

Angela plays soccer and golf for a total of 125 minutes every day. she plays soccer 45 minutes more than she plays golf. part a: write a pair of linear equations to show the relationship between the number of minutes angela plays soccer (x) and the number of minutes she plays golf (y) every day. part b: how much time does angela spend playing golf every day? part c: is it possible for angela to have spent 80 minutes playing soccer every day? explain your reasoning.