#1 is 12x² -15x
#2 is fx-9x
See attachment for one such shell. The volume is given by the sum of infinitely many thin shells like this, each with radius

and height determined by the vertical distance between the upper blue curve and the lower orange curve for any given

, i.e.

.
The volume is then
Answer:
Step-by-step explanation:
A = P(1+r/n)^ nt
A = 2000(1+.04/2)^(5*2)
A =
= $2437.99
640 Diveded by 8 = 80 and 80 diveded by 6 = 13 R2
Answer:

Step-by-step explanation:
Given

Required
The equivalent
We have:

Expand

Collect like terms


Hence, the equivalent is:
