The value of a home in 2015 was $400,000. Its value has been doubling each decade.

a. If v is the value of the home, in dollars, write an equation for v in terms of d, the
number of decades since 2015.

b. What is v when. d =-1? What does this value mean?

c. What is v when d = -3? What does this value mean?

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.