A professional model maker is building a giant scale model of a house fly to be used in a science fiction film. An actual fly is
1 answer:
Alright, lets get started.
An actual fly is about .2 inches long.
The model fly for the movie will be 27 feet long.
Converting 27 feet into inches, it will be = inches
So, lets first find the scale factor, so
scale factor will be =
So, scale factor will be = 1620
It means from the original size, the model fly is scaled to 1620 times.
The actual fly has a wingspan of about .5 inches.
So, the model fly will have a wingspan =
So, the model fly will have a wingspan = 810 inches
Converting inches into feet,
the model fly will have a wingspan =
So, the wingspan will be 67.5 feet. : Answer
Hope it will help :)
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It looks like you have the domain confused for the range! You can think of the domain as the set of all "inputs" for a function (all of the x values which are allowed). In the given function, we have no explicit restrictions on the domain, and no situations like division by 0 or taking the square root of a negative number that would otherwise put limits on it, so our domain would simply be the set of all real numbers, R. Inequality notation doesn't really use ∞, so you could just put an R to represent the set. In set notation, we'd write
and in interval notation,
The <em>range</em>, on the other hand, is the set of all possible <em>outputs</em> of a function - here, it's the set of all values f(x) can be. In the case of quadratic equations (equations with an x² term), there will always be some minimum or maximum value limiting the range. Here, we see on the graph that the maximum value for f(x) is 3. The range of the function then includes all values less than or equal to 3. As in inequality, we can say that
,
in set notation:
(this just means "f(x) is a real number less than or equal to 3")
and in interval notation: