Simply substitute the value of
3
given. In other words,
f
(
3
)
is the function of
f
(
x
)
, however, in this case,
x
is
3
f
(
3
)
=
3
(
3
)
−
4
Distribute
3
through the parenthesis
f
(
3
)
=
9
−
4
Simplify
f
(
3
)
=
5
Answer:the diameter is 7
Step-by-step explanation: 21.98 divide by pi is 7 so diameter is 7
7^50
= 1.798 × 10^42
i am a mathematics teacher. if anything to ask please pm me
Answer:

Step-by-step explanation:
The area of a trapezoid.




