Answer:
option c, x = 3
Step-by-step explanation:
Given:
- f(x) =

Since both equal f(x) they must be equivalent as well,

Apply exponent rule, 3 x 3 x 3 = 27
hence x = 3
A rational number stops and can be turned into a fraction and doesn’t repeat while an irrational number does the opposite
Answer:
x = 1, x = -1
Step-by-step explanation:
-4x² = -4
x² = 1
x = 
x = ±1
The general Formula for a decreasing Annuity is:

For this example we have:
P = 78,000
n = 7*4 = 28
i = 8%/4 = 2% = 0.02
After substituting you can find value for R, rent.