To find the cost of labor subtract 63 from 551.75
Cost of labor= 551.75 - 63
= $ 488.75
To find cost of labor per hour, divide 488.75 by the time taken to repair
488.75/4.25 = $115
All options are incorrect
the correct answer is
Yes it is a function the x’values do not repeat
The given equation is
We need to determine the type of solution and the number of solutions.
<u>Solving the equation:</u>
Let us solve the equation to determine the number of solution and the type of solution.
Subtracting both sides of the equation by 16c, we get;
Adding both sides of the equation by 32, we have;
Let us solve the equation using the quadratic formula.
Thus, we have;
Simplifying, we get;
Thus, the solution of the equation is 4.
Hence, the equation has one rational solution.
Therefore, Option A is the correct answer.