Discuss the below:
Q: The simple interest formula says that if $1,000 is invested at 7.5% (r=0.075), then A=75t+1000, t>=0.
(A) What will $1,000 amount to after 5 years? After 20 years?
(B) Sketch a graph of A=75t+1000 for t between 0 and 20.
(C) Find the slope of the graph and interpret verbally.