The parent tangent function is horizontally compressed by a factor of 1/2 and reflected over the x-axis. Which equation could represent function g, the result of this transformation?
A. g(x)=tan(-1/2x)
B. g(x)=tan(-2x)
C. g(x)=-tan(2x)
D. g(x)=-tan(1/2x)

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.