A box contains 8 books. It is 1/6 full. If the box were completely full, how many books would be in the box? A) 14 books B) 48 b
1 answer:
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For this case we have that by definition, the equation of a line in the slope-intersection form is given by:
Where:
m: It is the slope of the line
b: It is the cut point with the y axis
We have according to the data:
Thus, the equation is of the form:
We substitute the given point:
Finally, the equation is:
Answer:
The piecewise function for this should be .
We can find the first equation simply. He gets 20 every hour up to 42 hours. Therefore, the function gives us our first equation of y = 20x when x < 42.
The second one, we must know what the base amount he would make before starting to make 28 an hour. The 28 an hour would be 28x, but he would have already made 840 before hand. Which we can determine by multiplying the base of 42 hrs by 20.
42 * 20 = 840.