Question

The first three figures in a pattern are shown.

Which function represents f(n), the number of small squares in figure n?

Question 5 options:

f(n) = 2n2+2
f
(
n
)

=

2
n
2
+
2

f(n)= n2+n
f
(
n
)
=

n
2
+
n

f(n) = n(n+2)
f
(
n
)

=

n
(
n
+
2
)

f(n) = n2+2

Answer 1

all you need to do here is add and multiple