The function of g(x)=2x the function f(x)=2x+k and k<0

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

Quadrilateral efgh was dilated with the origin as the center of dilation to create quadrilateral e'f'g'h'. the quadrilateral was dilated using a scale factor of 2.5. the lengths of the sides of quadrilateral efgh are given. what is the length of side f'g'?

If point cis between points a and b, then ac + — = ab