(! i'll give brainliest award for the person who shows their work. i need )
1. evaluate the function below over the domain {-1, 0, 1, 2}. as the values of the domain increase, do the values of the function increase or decrease?
y=(3/4)

2. suppose an investment of $5,000 doubles every 12 years. how much is the investment worth after 36 years? after 48 years?
write and solve an exponential equation.

3. does the function represent exponential growth or exponential decay? identify the growth or decay factor.
y=9x(1/2)^x

4. you deposit $520 in an account with 4% interest compounded monthly. what is the balance in the account after 5 years?