(5 + 2i)(1 + 3i)
5 * 1 = 5
5 * 3 = 15i
2i * 1 = 2i
2i * 3i = 6i^2
So we have...
5 + 15i + 2i + 6i^2
5 + 17i + 6i^2
In order....
6i^2 + 17i + 5
Answer:
A. Vertical line
Step-by-step explanation:
To identify a relation if it is a function, we conduct a vertical line test on a graph where our graph should hit the vertical line in exactly one point. If we have a vertical line then all its points will hit during the vertical line tesf, thus it is not a fubction.
Answer:
f
(
−
3
)
=
9
Step-by-step explanation:
f
(
x
)
=
x
2
To find f(-3) replace x in the function by −
3
Therefore:
f
(
−
3
)
=
(
−
3
)
2
=
−
1
2
×
3
2
=
1
×
9
=
9
Answer: 27/12=2.25
Pretty simple:)
Step-by-step explanation:
Answer:
110-degrees
Step-by-step explanation:
these are alternate exterior angles which are equal *congruent