The quadratic function
1 answer:
Answer:
The maximum revenue that can be generated is $128.13
Step-by-step explanation:
we have
where
R(p) represent the amount of revenue in dollars
p the product price
This is a vertical parabola open downward
The vertex represent a maximum
so
The y-coordinate of the vertex represent the maximum revenue that can be generated
Solve by graphing
using a graphing tool
Graph the quadratic equation
The vertex is the point (6.25,128.125)
see the attached figure
the y-coordinate of the vertex is 128.125
therefore
The maximum revenue that can be generated is $128.13
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Answer:
they work together, it will take 2.4 hours to build the wall.
Step-by-step explanation:
One bricklayer can build a wall in 6 hours.
One hour work =
Another bricklayer can build the same wall in 4 hours.
One hour work =
They can together, how long will take them to build the wall.
Let's take "t" the time taken to build the wall.
The sum of their work rate = 1 (To build the wall)
Now we have to solve this equation. Take LCD of 6 and 4.
The LCD (least common divisor) of 6 and 4 is 12.
5t = 12*1
5t = 12
Dividing both sides by 5, we get
t =
t = 2.4 hours.
So, they work together, it will take 2.4 hours to build the wall.
<h3><u>AnswEr</u><u> </u><u>:</u></h3>
The 2 unknown numbers are 4 and 5 .
<h3><u>Expla</u><u>nation</u><u> </u><u>:</u></h3>Let the numbers be x and x + 1.
From the given information,
But, as we know -5 is not a natural number,
Hence, x = 4 .
<u>So the 2 unknown numbers are</u><u> </u><u>:</u>
- x = 4 [1st number]
- x + 1 = 4 + 1 = 5 [2nd number]