Answer:
-1
Step-by-step explanation:
A function is represented by the following symbol f(x) where f(x) further represents y like this ,

so in this question they are asking what is f(5) which means when the value of x is 5 what is the value of y?
We can see in the graph when x = 5 the value of y is -1 to be exact so
f(5) = -1
or

4b^2 - 16 =
4(b^2 - 4) =
4(b + 2)(b - 2)
The land bridge (Bering strait) and the crossing from Canada
I think it’s C, correct me if I’m mistaken.
Answer: Use this rule to change the term to a radical:
x
1
n
=
n
√
x
18
1
2
⇒
2
√
18
⇒
√
18
We can simplify this expression, if necessary, by using this rule for radicals:
√
a
⋅
b
=
√
a
⋅
√
b
√
18
⇒
√
9
⋅
2
⇒
√
9
⋅
√
2
⇒
3
√
2
Step-by-step explanation: