If R= {(1,2), (3,4), (5,6), (8,9)} find the domain and range of R a. Find value of X and Y.
1 answer:
<h2>The Domain and Range of a Set of Ordered Pairs</h2><h3>Answer:</h3>
Domain:
Range:
We are given the set of ordered pairs: . The Domain is just the set containing all the
values of each ordered pair of
. Recall that in the ordered pair
,
is the
value. In set
, we can see that the
values are
.
For the Range, it is just the set containing all the values of each ordered pair of
. Recall that in the ordered pair
,
is the
value. In set
, we can see that the
values are
.
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Answer:
D
Step-by-step explanation:
Note there is a common difference d between consecutive terms in the sequence, that is
d = 2 - 5 = - 1 - 2 = - 4 - (- 1) = - 3
This indicates that the sequence is arithmetic with n th term
= a₁ + (n - 1)d
where a₁ is the first term and d the common difference
Here a₁ = 5 and d = - 3, thus
= 5 - 3(39) = 5 - 117 = - 112 → D