You have 5 quarters which equals 25 cents each. Which in total comes to $1.25. You have 15 dimes which is worth 10 cents each. Which in total comes to $1.50. $1.50 +$1.25 =$2.75
The area of the resulting figure will be given by: ∫f(x)dx f(x)=13/2x^3 thus ∫f(x)dx=13/2∫x³dx=13/8[x^4] integrating over the inerval 13/8(12^4)-13/8(5^4) =32680+3/8 sq. units =
