1 year ago

HELP PLEASE I NEED THIS FOR A TEST!!1 Is this a function yes or no?

Mathematics

2 answers:

sukhopar [10]1 year ago

6 0

No, because the input repeated 4 twice and the output repeated 3 twice

enot [183]1 year ago

3 0

Answer:

Step-by-step explanation:

Hope this helps.

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3y + 8 = ½ y + 28 Find y

Bess [88]

$\text{Hi there! :]}$

$\large\boxed{y = 8}$

$3y + 8 = 1/2y + 28\\\\\text{Subtract 8 from both sides:}\\\\3y + 8 - 8 = 1/2y + 28 - 8\\\\3y = 1/2y + 20\\\\\text{Subtract 1/2y from both sides:}\\\\3y - 1/2y = 1/2y - 1/2y+ 20\\ \\\text{Convert 3y to 6/2y to make subtracting easier:}\\5/2y = 20\\\\\text{Divide both sides by 5/2 (Multiply by reciprocal, or 2/5):}\\\\\\5/2y * 2/5 = 20 * 2/ 5\\\\y = 8$