School Computer Science A

UNIT $3$

LESSON $15$

Data Structures and Algorithms

Data Structures and Algorithms Unit Test

For the recursive factorial function output shown below, which lines of output would reflect the backward phase?

factorial$(3)$

$3*$ factorial$(2)$

$3**2**$ factorial $(1)$

$3**2**1$

$3.**2$

$6$

$(1$ point$)$

$4,5,6$

$1,2,3,4,5,6$

$1,4$

$1,2,3$