Assignment:
Please show all woCarlos is blowing air into a soap bubble at the rate of 7 cm3/sec. Assuming that the bubble is spherical, how fast is its radius changing at the instant of time when the radius is 11 cm?
cm/sec.
How fast is the surface area of the bubble changing at that instant of time?
cm2/sec.
The Millers are planning to buy a home in the near future and estimate that they will need a 30 yr fixed-rate mortgage for $120,000. Their monthly payment P (in dollars) can be computed using the following formula where r is the interest rate per year.
(a) Find the differential of P.
(b) If the interest rate increases from the present rate of 5% per year to the following amounts between now and the time the Millers decide to secure the loan, approximately how much more will their monthly payment be?
5.2% per yr : $
5.3% per yr : $
5.4% per yr : $
5.5% per yr : $rk.
Provide complete and step by step solution for the question and show calculations and use formulas.