I don't know how to find the y intercept in growth or decay problems. The specific problem i am doing says y=1/2(2)^x so could u show me how to figure out the y intercept in this equation so i will know how to do it for the rest? thankyou so much :)
asked May 5, 2012 in Algebra 1 Answers by anonymous

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:

To avoid this verification in future, please log in or register.

2 Answers

 y=1/2(2)^x  set x = 0

y = 1/2*1

y = 1/2 that is the y-intercept. 

to find x-intercept set y = 0

0 = 1/2(2^x)

0 = 2^x  there is a limit in this case.  2^x never gets to 0 it approachs it only.

answered May 5, 2012 by waltjhall Level 10 User (55,660 points)
answered Mar 12, 2014 by anonymous
Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!
79,816 questions
83,632 answers
66,550 users