Answer:
first option
Step-by-step explanation:
To obtain ( f ○ g)(x) substitute x = g(x) into f(x) , that is
f(
)
=
( multiply numerator/ denominator by 2x to clear the fraction
= 
= 
A joint relative frequency is found by dividing a frequency that is not in the Total row or the Total column by the frequency’s row total or column total.
Answer:
i think it is 80/100
Step-by-step explanation:
if it was 0.8 that would have been 8 so 80/100 is 80%
Answer:
7:5
Step-by-step explanation:
49/7 = 7 and 35/7 = 5
to get a ratio, divide both side by the same number that is a facttor for both.