Answer:
The amount y is depends on what x's value is. It is helpful to make a table or graph so we can see how the y value changes like the x value :)
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Step-by-step explanation:
it may help you to understand.
We can write that as a function:
where 
is the number of price reductions. We can see that it is a quadratic function which has the biggest value at P = (p, q). It means that p is the number of reductions which results in the biggest profit.
It means that it's the best to make 2 price reductions for the company. The tickets should be sold for $200 - 2 * $20 = $160. It results in 2 * 50 more tickets sold which is 300 + 100 = 400.
Answer:
Ticket price: $160
Number of tickets: 400
The relationship between the years since the tree was transplanted and its height in inches is linear and represented graphically by a line with positive slope and positive y-intercept
Step-by-step explanation:
Their is a linear relation between the years since the tree was transplanted and its height in inches because
- The tree has a constant rate of increasing of its height per year
- Assume that the initial height of the tree when it planted is b inches
- Its height increases m inches per year
- Its height (y) after x years can be expressed in the formula y = m x + b
y = m x + b is the form of the linear equation, where
- m is the slope of the graph of the equation
- b is the y-intercept (value y at x = 0)
The relationship between the years since the tree was transplanted and its height in inches is linear represented graphically by a line with positive slope and positive y-intercept
Learn more:
You can learn more about the linear functions in brainly.com/question/4152194
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Let the full marks be represented by = x
As given, 80% of x is 75
So,
x= 
x=93.75
Hence, full marks is 93.75
We can check also- 
=75
