Solve this equation 2/3 x - = x - 1
1 answer:
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The relation that is a function is:
b. y = 2x² - 3x + 7
<h3>When a relation is a function?</h3>A relation is a function if each value of the input is mapped to only one value of the output.
Hence, when both x and y are squared, we have that , hence it is not a function. This is the case for items a and c.
For item d, we have that the relation can be simplified as follows:
x = -y² + 3y
x = y(-y + 3)
The solution above, is associated to two values of y, hence it is also not a function. Then the function is given by:
b. y = 2x² - 3x + 7
In the solution, it can be seen that for each input x, only one value of y can be generated.
More can be learned about relations and functions at brainly.com/question/12463448
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-3(b + 9) = -9
First, divide both sides by -3. / Your problem should look like: b + 9 =
Second, simplify
to 
/ Your problem should look like: b + 9 =
Third, simplify to 3. / Your problem should look like: b + 9 = 3
Fourth, subtract 9 from both sides. / Your problem should look like: b = 3 - 9
Fifth, simplify 3 - 9 to get -6. / Your problem should look like: b = -6
Answer: b = -6
First, divide both sides by -3. / Your problem should look like: b + 9 =
Second, simplify
Third, simplify
Fourth, subtract 9 from both sides. / Your problem should look like: b = 3 - 9
Fifth, simplify 3 - 9 to get -6. / Your problem should look like: b = -6
Answer: b = -6