Answer:

Step-by-step explanation:
multiple the top exponents by 3 and the u subtract the bottoms
Answer:
5/9
Step-by-step explanation:
f(x) = 5 * 3^x
Let x = -2
f(-2) = 5 * 3^-2
We know a^-b = 1/a^b
= 5 * 1/3^2
= 5/9
Answer:
70
Step-by-step explanation:
By exterior angle theorem:
