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lara [203]
3 years ago
7

for a function, can the number of elements in the range be greater than the number of elements in the domain? explain.

Mathematics
2 answers:
PIT_PIT [208]3 years ago
8 0
Neither, because for a function, each range has it own domain
USPshnik [31]3 years ago
3 0
No

domain is the set of numbers you can use in the function
range is the set of numbers you get from inputing the values from the domain

we actually have more numbers in the domain than numbers in the range
example
f(x)=x^2
if domain={1,-1}
becase of that square root
range={1} (we just list repeating values once)

so the number of elements in the range CANNOT be greater than the number of elements in the domain
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Drupady [299]

Answer:

15i and 4i

Step-by-step explanation:

i is an imaginary number also shown as\sqrt{-1} .  

Since we have \sqrt{-15}, thats 15*\sqrt{-1} .  Substitute \sqrt{-1} for i and we get 15*i or 15i.

We do the same for \sqrt{-4}.  This is 4*\sqrt{-1} or 4*i or 4i.

An easy way to do this is to take the negative inside the square root like \sqrt{-6} , take the absolute value -6 absolute value=6 and times it by i.  So now it becomes 6i

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4 years ago
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Rzqust [24]
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3 years ago
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Delvig [45]
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HACTEHA [7]

Answer:

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