3 years ago

Which of these graphs represents a function? Please help

Mathematics

1 answer:

Alex Ar [27]3 years ago

5 0

I would like to say C

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The number 5/7 can be best described as a(n)

kirill [66]

Fraction. I think? I don't know exactly what your learning at the moment. I hope this helps

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3 years ago

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Which expression is equivalent to y · 48?

gtnhenbr [62]

Answer:

None of the above

Step-by-step explanation:

F - 40y

G - 4y

H - 40y

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2 years ago

Help me please i need to go to sleep.

irakobra [83]

Answer:

149

Step-by-step explanation:

To find the value of f(-7), we will simply substitute x = -7 in the function. Given that we have a function of:

$\displaystyle{f(x)=3x^2+2}$

Substitute in x = -7:

$\displaystyle{f(x)=3(-7)^2+2}$

Recall that by squaring the negative number will always result in positive number:

$\displaystyle{f(-7)=3\cdot 49+2}\\\\\displaystyle{f(-7)=147+2}\\\\\displaystyle{f(-7)=149}$

Therefore, the value of f(-7) will equal to 149.

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2 years ago

A system of three linear equations in three variables is consistent and independent. How many solutions to the system exist?

sergey [27]

Answer:

1 solution.

Step-by-step explanation:

consistent means it has at least 1 solution

independent means it only has 1 solution

so your answer is : 1 solution

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3 years ago

Please help im desprete

Damm [24]

5m-1=4m+5
Subtract 4m from both sides
m-1=5
Add 1 to both sides
m=6

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4 years ago

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