What is an improper integral? explain why improper integrals must be treated in a special way.

Use the graph of the sine function y=2sinθ shown below

Solve the inequality and graph 6j - 7 < 5

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?