All you need to know is that

So, the first function grows exponentially and the second decays exponentially. The rate of growth/decay are the bases of the exponentials, which means 1.08 and 0.205
1. -1/20
work: Write all numerators above the least common denominator: -8+2+5/20
*Calculate the sum or difference: -1/20
Answer:
94.56
Step-by-step explanation:
because 94,56 x 11.5 x 5 =4300