Answer: 
Step-by-step explanation:
I hope you mean y = x² - 12 and not y = 2x - 12.
You switch the y and x variables:
x = y² - 12
And solve for y:
x + 12 = y²
Answer:
Step-by-step explanation:
Solve for
y
y
.
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y
=
−
9
+
3
x
y
=
-
9
+
3
x
Rewrite in slope-intercept form.
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y
=
3
x
−
9
y
=
3
x
-
9
Use the slope-intercept form to find the slope and y-intercept.
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Slope:
3
3
y-intercept:
−
9
-
9
Any line can be graphed using two points. Select two
x
x
values, and plug them into the equation to find the corresponding
y
y
values.
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x
y
2
−
3
3
0
x y 2 -3 3 0
Graph the line using the slope and the y-intercept, or the points.
Slope:
3
3
y-intercept:
−
9
-
9
x
y
2
−
3
3
0
x y 2 -3 3 0
image of graph
It wants you to find how much money you will spend a year at each separate gym. That way you can find out which one is cheaper. Once you’ve done that, you need to find how many days it would take for both gym’s cost to be the same after so many days.
300 / 10 = 30, because 10*30=300
Answer:
Your answer is 15
Have a great day!
Step-by-step explanation:
