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The expression in the question "y -2x" is not a function.
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∙ 11y ago
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Does the equation y equals 2x plus 1 represent a function?
The [ 2x + 1 ] represents a function of 'y' .
Inverse function 2x plus 4?
y=2x+4 --> x=2y+4 ==> y=(x-4)/2
Is y equals 2x-5 a function?
7
What is the range of the function y equals -x2 plus 1?
y = -x2 + 1 This function describes a parabola that opens downward. To find the top of it's range, you need to find it's focal point. You can do that very easily by taking the derivative of the equation and solving it for 0: y = -x2 + 1 ∴ y' = -2x let y' = 0: 0 = -2x ∴ x = 0 Now you can calculate the y value at that point: y = -02 + 1 ∴ y = 1 So that function describes an upside down parabola whose peak is at the point {0, 1}. It's range then is: {y | y ∈ ℜ, y ≤ 1}
How do you rewrite this equation so that y is a function of x 2x plus y equals 7?
y=f(x)= x(2x+y)=7 f(x)=2x^2 +xy -7 = 0 y=2x^2 +xy -7 y-xy -7 + 2x^2 = 0 y(1-x)=2x^2-7 y=(2x^2-7) / (1-x) Excuse the working. Y equals 2 X squared minus 7 all divided by 1-X
Find the initial value of the linear function y=2x+7?
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Does the equation y equals 2x plus 1 represent a function?
The [ 2x + 1 ] represents a function of 'y' .
What type of function is y equals 2x plus 8?
Y = 2X + 8 is a linear function of the form, Y = mX + c. A line.
How do you rewrite this equation so that y is a function of x 2x plus y equals 5?
Solve for y.2x+y=5*subtract 2x from both sides*2x+y-2x=5-2xy=-2x+5 / y=5-2x
How do you find the inverse of the function f of x equals 2x plus 1 divide x-1?
y = f(x) = (2x + 1)/(x - 1)y*(x - 1) = (2x + 1) xy - y = 2x + 1xy - 2x = y + 1x(y - 2) = y + 1so x = (y + 1)/(y - 2) assuming y�2.So the inverse function is f-1(x) = (x + 1)/(x - 2)
How do you write y-2x in standard form?
2x+y=0To find standard from slope/intercept, all you have to do is move the x term over by doing its opposite sign. So y=2x+0 would be -2x+y=0y=-2x+0 (The absence of b, or y intercept indicates the function goes through the origin)
When x is a number you do this to find y?
If you have a function, such as y=2x also written as f(x)=2x, then you plug in the number. So for example if x=1 then you have y=2 or f(1)=2.
Y equals 2x-1 is that a function?
3
What is the inverse function of y equals 2x minus 4?
To find the inverse of a function, you replace x with y and y with x. Here, y=2x-4 would become x=2y-4. Now, we solve for y. 2y=x+4. y=(x/2)+4, and that is the inverse equation.
What is the rate of change for the linear function y equals 2x plus 3?
The rate of change for the linear (not liner) function, y = 2x +/- 3 is 2.
Y equals 2x-2x-24 determine the roots of the function?
If Y equals 2X - 2X - 24, then there is one root, and it is -24. The two 2X's cancel each other out.
What is the rate of change for the liner function y -2x-3?
If you mean: y = -2x-3 then the slope is -2 and the y intercept is -3
