(01.01) Kisha and Rae are asked to solve −5x − 14 = 2x + 7. Identify where one of them made an error.
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:
The percent increase in the employment from the year to year
is
.
Step-by-step explanation:
Given:
Employment in the year
million.
Employment in the year
million.
To find: The percent increase in the employment.
Solution: We have,
Employment in the year
million.
Employment in the year
million.
Increase in employment million.
Percent increase
Percent increase
Hence, the percent increase in the employment from the year to year
is
.