Concept explainers
a)
To use the equation
a)

Answer to Problem 42PPS
The required table showing all ordered pairs of form
h (in inches) |
|
|
4 | Y1 | 3 |
9 | ||
14 | ||
19 |
Explanation of Solution
Given information: The volume V of seed in a bird feeder is given by the equation
Concept used: First let few positive increasing values of h , and then by plugging them in given equation, it is calculated the corresponding value of variable V , to get the required ordered pair
Calculation: Table representing relation between h and V in ordered pair form
h (in inches) |
|
|
4 | ||
9 | ||
14 | ||
19 |
Conclusion: By above calculation in tabular form and from graph, it is cleared that as the height increases, the volume of seed, decreases.
b)
To use the equation
b)

Answer to Problem 42PPS
Calculated ordered pairs in XY plane are shown as:
Explanation of Solution
Given information: The volume V of seed in a bird feeder is given by the equation
Concept used: First let few positive increasing values of h , and then by plugging them in given equation, it is calculated the corresponding value of variable V , to get the required ordered pair (h,V) in tabular form and then in graphical form by plotting them in XY plane.
Calculation: On graphing calculated coordinates in XY plane, it looks as:
Conclusion: By above calculation in tabular form and from graph, it is cleared that as the height increases, the volume of seed, decreases.
c)
To use the equation
c)

Answer to Problem 42PPS
By above graph, it is cleared that as the height increase, the volume of seed in a bird feeder decreases.
Explanation of Solution
Given information: The volume V of seed in a bird feeder is given by the equation
Concept used: Here, first let few positive increasing values of h , and then by plugging them in given equation, it is calculated the corresponding value of variable V , to get the required ordered pair (h,V) in tabular form and then in graphical form by plotting them in XY plane.
Calculation: Graph shows that as h coordinates increase, the values of V decrease. That concludes that as the height increases, the volume of seed, decreases.
Conclusion: By above calculation in tabular form and from graph, it is cleared that as the height increases, the volume of seed, decreases.
Chapter 4 Solutions
EP PRE-ALGEBRA-STUDENTWORKS PLUS(1 YR.)
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