Answer:
-5
Step-by-step explanation:
f(2) = 2 * f(1) + 1
f(2) = 2 * -3 + 1
f(2) = -6 + 1
f(2) = -5
Mathematically, a ray is a portion of a line which starts at a point and goes off in a particular direction to infinity.
Answer:108
Step-by-step explanation:
18 times 6 is 108
Answer: 
Step-by-step explanation:
Given
Vertex of the parabola 
Focus of the parabola 
As the x coordinate of vertex and focus is same and focus lie below the vertex, therefore the parabola is the type of

distance between Vertex and focus is 1 unit

Parabola becomes

Answer:
Option C
Therefore, one of the factors of
is
.
Step-by-step explanation:
Given: 
the common factor from
and
is 4.
therefore, 

Now, use the formula for above expression:
here,
and 


Therefore, we have


Therefore, one of the factors of
is
.