Question

So I figured out how to do the first 6, how do I do the remaining?

7. 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)ˣ

8. 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.

9. Does the function represent exponential growth or
exponential decay? Identify the growth or decay
factor.

= 9 ∙ (1/2)ˣ

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

Is 7 decreasing?
(3/4)^-1 = 4/3
(3/4)^0 = 1
(3/4)^1 = 3/4
(3/4)^2 = 9/16
(3/4)^3 = 27/64

Now is that increasing or decreasing?

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