Which function describes the sequence 3, 6, 12, 24, ... for n = 1, 2, 3, ...?
• A f(n) = 3n
© B. f(n) = 2" +1
O
C. f(n) = 3 - 2n-1
• D. f(n) = (n − 1)² +3

none.

step-by-step explanation:

m

1

=

5

m1=5

b

=

−

1

b=-1

find the slope and y-intercept of the second equation.

tap for more

m

2

=

0

m2=0

b

=

−

6

b=-6

compare the slopes

m

m of the two equations.

m

1

=

5

,

m

2

=

0

m1=5,m2=0

compare the two slopes in the decimal form. if the slopes are equal, then the lines are parallel. if the slopes are not equal, then the lines are not parallel.

m

1

=

5

,

m

2

=

0

m1=5,m2=0