if I have the formula y=a(1+r)^t, then how would I find a in this problem: h(t)=1.8^t
Solve for a:
y = a (r+1)^t
y = a (r+1)^t is equivalent to a (r+1)^t = y:
a (r+1)^t = y
Divide both sides by (r+1)^t:
Answer: |a = y/(r+1)^t