(A) A family has an $85,000 , 30 -year mortgage at 9.6 % compounded monthly. Show that the monthly payments are $720 .94 . (B) Explain why the equation y = 720.94 1 − 1.008 − 12 30 − x 0.008 gives the unpaid balance of the loan after x years. (C) Find the unpaid balance after 5 years, after 10 years, and after 15 years. (D) When does the unpaid balance drop below half of the original $85,000 ? (E) Solve part (D) using graphical approximation techniques on a graphing calculator (see Fig. 3).
(A) A family has an $85,000 , 30 -year mortgage at 9.6 % compounded monthly. Show that the monthly payments are $720 .94 . (B) Explain why the equation y = 720.94 1 − 1.008 − 12 30 − x 0.008 gives the unpaid balance of the loan after x years. (C) Find the unpaid balance after 5 years, after 10 years, and after 15 years. (D) When does the unpaid balance drop below half of the original $85,000 ? (E) Solve part (D) using graphical approximation techniques on a graphing calculator (see Fig. 3).
3. Let
sin (22) + cos (T2)
f(z) =
z(22 + 1)(z+1)
Compute f(z)dz over each of the contours/closed curves C1, C2, C3 and C4 shown
below.
L
10
-C
x
Don't use any Al tool
show ur answer
pe
n and paper then take
what is the slope of the linear equation-5x+2y-10=0
1. Evaluate
(2,5)
(3x+y)dx+(2y-x)dy
(0,1)
(i) along the straight lines from (0, 1) to (2, 1) and then from (2, 1) to (2,5), and (ii)
along the parabola y = x² + 1.
Don't use any Al tool
show ur answer in pe
n and paper then take
Chapter 3 Solutions
Finite Mathematics for Business, Economics, Life Sciences, and Social Sciences (13th Edition)
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