The manufacturer of GRIPPER tires modeled its return to sales from television advertising expenditures in two regions, as follows: Region 1: S1 = 40 + 40x1 − 0.4x12 Region 2: S2 = 20 + 22x2 − 1.3x22 where S1 and S2 are the sales revenue in millions of dollars and x1 and x2 are millions of dollars of expenditures for television advertising. (Round your answers to three decimal places.) (a) What advertising expenditures would maximize sales revenue in each district? Region 1 $ million Region 2 $ million (b) How much money will be needed to maximize sales revenue in both districts?$ million
Minimization
In mathematics, traditional optimization problems are typically expressed in terms of minimization. When we talk about minimizing or maximizing a function, we refer to the maximum and minimum possible values of that function. This can be expressed in terms of global or local range. The definition of minimization in the thesaurus is the process of reducing something to a small amount, value, or position. Minimization (noun) is an instance of belittling or disparagement.
Maxima and Minima
The extreme points of a function are the maximum and the minimum points of the function. A maximum is attained when the function takes the maximum value and a minimum is attained when the function takes the minimum value.
Derivatives
A derivative means a change. Geometrically it can be represented as a line with some steepness. Imagine climbing a mountain which is very steep and 500 meters high. Is it easier to climb? Definitely not! Suppose walking on the road for 500 meters. Which one would be easier? Walking on the road would be much easier than climbing a mountain.
Concavity
In calculus, concavity is a descriptor of mathematics that tells about the shape of the graph. It is the parameter that helps to estimate the maximum and minimum value of any of the functions and the concave nature using the graphical method. We use the first derivative test and second derivative test to understand the concave behavior of the function.
The manufacturer of GRIPPER tires modeled its return to sales from television advertising expenditures in two regions, as follows:
| Region 1: |
S1 = 40 + 40x1 − 0.4x12
|
| Region 2: |
S2 = 20 + 22x2 − 1.3x22
|
where S1 and S2 are the sales revenue in millions of dollars and x1 and x2 are millions of dollars of expenditures for television advertising. (Round your answers to three decimal places.)
| Region 1 | $ million |
| Region 2 | $ million |
(b) How much money will be needed to maximize sales revenue in both districts?
$ million
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