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The domain is the set of values that x may take that gives back an answer that makes sense. The range is the set of values that are possible results of the function.
the "log" function does not accept 0 or negative values on its domain and returns negative, zero and positive numbers (ie all real values).
The next function does not appear properly but you could figure it out
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How would the graph of the line y5x-3 change if the number 5is replaced with a 2?
Yes.
What is the standard form of y5x-13?
If you mean y = 5x-13 then in standard form it is 5x-y-13 = 0
Solve the system using substitution 5x-y equals 5 diveded by5x-3y equals 15?
5x - y = 55x - 3y = 15from the first equation:5x = 5 + y , substitute it in the second equation:5 + y - 3y = 155 -2y = 15-2y = 15 - 5-2y = 10y = -5Now,solve for x :5x = 5 +y5x = 5 -5 = zerox = zero
Is the ordered pair 0 -6 solution for y5x-7?
The ordered pair (0, -6) Ordered pairs look like (x, y). they are the coordinates of a point on your graph. Asking if (0,6) is a solution to your equation means, does this point lie on the graph? Or algebraically, if you substitute in x = 0 and y = -6 into the equation, does it work? y = 5x-7 -6 = 5(0) -7 -6 = 0 - 7 -6 = -7 Well, -6 does NOT = -7, so we know that this ordered pair is not a solution to the function.
