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3 years ago

WILL GIVE A BRAINLEST Which piecewise relation defines a function?

Mathematics

2 answers:

HACTEHA [7]3 years ago

4 0

The 3rd Image defines a piecewise function because for it to be a function, every input must match to exactly one and only one output. In Images 1, 2, and 4, there are certain inputs that have two outputs or stated otherwise, have two y-values for the same x-value. Only the 3rd Image matches 1 x-value to every 1 y-value. So, that's your answer.

elena55 [62]3 years ago

3 0

Answer: C! The 3rd graph

Step-by-step explanation: Why does your equations have f(x)= and g(x)= ? Mine is only y= for every graph shown. All same numbers though.

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If 3 times a certain number is increased by 4 the result is 28. What is the number?

Minchanka [31]

3x+4=28 because 3 times an unknown number was mentioned first and mentioned together so they will be together, increased by 4 is +4 and comes after, the result of is the same as equals so you put the equals sign and whatever number they gave after.

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3 years ago

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vlabodo [156]

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3 years ago

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Find the surface area of this triangular prism. Be sure to include the correct unit in your answer.

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3 years ago

A shipment of 10 computers contains 2 with defects. Find the probability that a sample of size 2, drawn from the 10, will not

Mrrafil [7]

Answer:

$\frac{28}{45} .$

Step-by-step explanation:

way_1:

according to the condition the probability for the 1st computer is 8/10=4/5;

for the 2d computer is 7/9. Then the final probability is P=4/5 * 7/9=28/45;

way_2:

the required probability can be calculated according the formula:

$P=\frac{no-cases}{total-cases};$

then

$P=\frac{C^2_8}{C^2_{10}} =\frac{2!8!8!}{2!6!10!}=\frac{28}{45} .$

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2 years ago

The large rectangle shown represents one whole . Which division expression does the purple shaded area in the model represent

Hatshy [7]

Answer: The answer is $(d)~\dfrac{1}{3}\div 4.$

Step-by-step explanation: Given in the question and the figure a large rectangle consisting of 12 squares of equal areas. We need to choose the right expression for the purple shaded area.

Considering the rectangle in the figure horizontally, there are 4 rows of 3 squares. So, in the last row, the fraction of purple shaded square is

$r_p=\dfrac{1}{3}.$

And if consider the figure vertically, then there are 3 columns of 4 squares.

Therefore, the final fraction represented by the purple shaded area is

$f_p=\dfrac{1}{3}\div4.$

Thus, the correct option is $(d)~\dfrac{1}{3}\div 4.$

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3 years ago

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