Answer:

Step-by-step explanation:
Using the rule of exponents
=
, hence
f(- 2) =
=
= 
Answer:
Step-by-step explanation:
2a-1<7-1.2 a
2a+1.2a<7+1
3.2 a<8
a<(8/3.2)
or a<(80/32)
or a<5/2
or a<2.5
Step-by-step explanation:
156 , 52 times by 3 is 156
Answer:
b
Step-by-step explanation:
bbbnm