Find the value of x please
1 answer:
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Answer:
a) {(3,3),(3,4),(4,5),(4,6)}
Step-by-step explanation:
Given
(a) to (d)
Required
Which is not a function
A relation is represented as:
For the relation t be a relation, then:
where
This means that none of the x values must be related.
The first relation has 3 repeated as its value of . Hence, (a) is a relation
Answer:
Her net rate of pay in dollars per hour after the expense = $26
Step-by-step explanation:
Given:
Driver travels for 2 hours.
Speed = 60 miles per hour
Her car runs at the rate of 30 miles per gallon of gasoline.
She is paid $0.50 per mile.
Expenses is price of gasoline at the rate of $2.00 per gallon.
To find her net rate of pay in dollars per hour.
Solution:
In one hour the driver travels = 60 miles
For each mile she is paid = $0.50
<em>So, for 60 miles she will be paid = </em><em />
<em />
In a gallon of gasoline the car travels = 30 miles
<em>So, to travel 60 miles, the car would require = </em><em> gallons of gasoline</em>
1 gallon of gasoline cost = $2.00
<em>Expenses for 2 gallons of gasoline = </em><em />
<em />
So, in one hour she gets paid =$30 and her expenses for an hour drive = $4.
Thus, her net rate of pay in dollars per hour after the expense =