Answer:
5/9
Step-by-step explanation:
The answer is 4.2kg
Using the rule of three
1kg -------------> 1000G
x <-------------- 4200G
then
x = (4200G)(1kg)/1000G
x = 4.2kg
2.04 kg
It's D yeah...
Cause I just took the test...
substitute 3 in for x
f(x)=2(3)^2-4(3)-5
=18-12-5
=1