Answer:
We put the value of the x in the formula

f(6)=

Step-by-step explanation:
Than solve equation.
Parameters of functions are the independent variable(s). e.x. y = 2x /\ x is the independent <span> variable (the parameter).</span>
Answer:
4 im pretty sur
Step-by-step explanation:
Answer:
C. 700 km/hour
Step-by-step explanation:
Answer:
C. 3.33 hours
Step-by-step explanation:
Use the algebra work equation:
=
+
, where tb is the time to work together, t1 is the time it takes one person, and t2 is the time it takes the other person
Plug in the values we know:
=
+ 
=
+ 
= 
20 = 6tb
3.33 = tb
So, it would take them 3.33 hours when working together.