Mathematics, 20.12.2020 17:10 oprajapati

Work out, giving your answer in its simplest form 3 3/4 x 2 /4/5 ill give you 99 points

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Answer from: xojade

The answer is 6 1/2. To get the answer, you multiply 3 and 2 (the whole numbers first), which equals 6. Then you multiply the numerators, 3 and 4 (the number on top of the fraction bar), which equals 12. Then you multiply the denominator, 4 and 5 (the number on the bottom of the fraction bar), and that equals 20. Then, change the mixed number into an improper fraction and simplify, and that gives you 13/2. If you need the answer in mixed number form it is 6 1/2.
Work out, giving your answer in its simplest form 3 3/4 x 2 /4/5 ill give you 99 points

Work out, giving your answer in its simplest form 3 3/4 x 2 /4/5 ill give you 99 points

Answer from: Quest

step-by-step explanation:

Answer from: Quest

when functions are first introduced, you will probably have some simplistic "functions" and relations to deal with, usually being just sets of points. these won't be terribly useful or interesting functions and relations, but your text wants you to get the idea of what the domain and range of a function are. small sets of points are generally the simplest sorts of relations, so your book starts with those.

step-by-step explanation:

state the domain and range of the following relation. is the relation a function?

{(2, –3), (4, 6), (3, –1), (6, 6), (2, 3)}

the above list of points, being a relationship between certain x's and certain y's, is a relation. the domain is all the x-values, and the range is all the y-values. to give the domain and the range, i just list the values without duplication:

domain: {2, 3, 4, 6}

range: {–3, –1, 3, 6}

(it is customary to list these values in numerical order, but it is not required. sets are called "unordered lists", so you can list the numbers in any order you feel like. just don't duplicate: technically, repetitions are okay in sets, but most instructors would count off for this.)

while the given set does indeed represent a relation (because x's and y's are being related to each other), the set they gave me contains two points with the same x-value: (2, –3) and (2, 3). since x = 2 gives me two possible destinations (that is, two possible y-values), then this relation is not a function.

note that all i had to do to check whether the relation was a function was to look for duplicate x-values. if you find any duplicate x-values, then the different y-values mean that you do not have a function. remember: for a relation to be a function, each x-value has to go to one, and only one, y-value.

state the domain and range of the following relation. is the relation a function?

{(–3, 5), (–2, 5), (–1, 5), (0, 5), (1, 5), (2, 5)}

i'll just list the x-values for the domain and the y-values for the range:

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Work out, giving your answer in its simplest form 3 3/4 x 2 /4/5 ill give you 99 points...

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