Find the inverse -4 a. -1/4 b. 1/4 c. 4 d. -4
2 answers:
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Answer:
A) a vertical line does not represent a function.
Step-by-step explanation:
For a relation to be a function for each value of there must be only one value of
. In other words a function is one in which each value in the domain set corresponds to only one value in the range set.
Let us check for this condition in the give choices:
A) a vertical line
A vertical line is given as which meas it is parallel to y-axis and has infinite number of
values for a single
value.
So, its Not a function
B)
For the given equation, on plugging in some value will give a single
value.
So, its a Function
C) a horizontal line
A horizontal line is given as which meas it is parallel to x-axis and has infinite number of
values giving a single
value.
So, its a Function
D) {(1, 7), (3,7), (5, 7), (7,7)}
For the given set for different valuesthere is only one
value.
So, its a Function
Answer:
There will be billion messages sent or received in November.
Step-by-step explanation:
Given.
Number of text messages sent or received billion.
Increment on the very next month
Lets find what is
⇒
⇒
So we will add this value to our previous months data.
Now
Number of text messages sent in the month of November billion.
Rounding to the nearest tenth the answer will be billion.
So billion text messages were sent or received in November.