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3 years ago

What is the inverse of f(x) = 3? (Hint: Write the function as y = 0x + 3.) Is the inverse a function? Explain.

1 answer:

6 0

y = 0x + 3
switch x and y and solve for y if possible
x = 0y +3
x = 3
Not a function because it doesn't pass the vertical line test .

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3 years ago

What is 67% of 12? I NEED AN ANSWER QUICK.

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3 years ago

7y-4=17 what is the answer

yaroslaw [1]

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3 years ago

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Solve the following system of equations. 2x + y = 3 x = 2y - 1 Make sure there are NO SPACES in your answer. Include a comma in

mrs_skeptik [129]

Answer: $x=1;y=1$ or (1,1)

Step-by-step explanation:

You can apply the Method of substitution.

Knowing that $x = 2y - 1$ (second equation), you can substitute it into the first equation and solve for the variable y:

$2x+y=3\\2(2y - 1)+y=3\\4y-2+y=3\\5y=3+2\\5y=5\\y=1$

Now you need to substitute $y=1$ into the second equation $x = 2y - 1$ to calculate the value of the variable x. Then:

$x = 2(1) - 1\\x=2-1\\x=1$

Then, the solution is:

$x=1;y=1$ or (1,1)

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3 years ago

Read 2 more answers

-40-2(3m+1/2)=7m-2 what does m equal

kherson [118]

Answer: $m$ = −3

Step-by-step explanation:

Hey there! I will give the following steps, if you have any questions feel free to ask me in the comments below.

Step 1: Expand.

−40 − 6 $m$ − 1 = 7 $m$ − 2

Step 2: Simplify −40 − 6 $m$ − 1 to −6 $m$ − 41.

−6 $m$ − 41 = 7 $m$ − 2

Step 3: Add 6 $m$ to both sides.

−41 = 7 $m$ − 2 + 6 $m$

Step 4: Simplify 7 $m$ − 2 + 6 $m$ to 13 $m$ − 2.

−41 = 13 $m$ − 2

Step 5: Add 2 to both sides

−41 + 2 = 13 $m$

Step 6: Simplify −41 + 2 to −39.

−39 = 13 $m$

Step 7: Divide both sides by 13.

− $\frac{39}{13}$ = $m$

Step 8: Simplify $\frac{39}{13}$ to 3.

−3 = m

Step 9: Switch sides.

$m$ = −3

~I hope I helped you! :)~

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3 years ago