Answer:
f(x) = -2x² + 2
Step-by-step explanation:
If you remember the y = x² parent graph, you will be able to derive your equation from visualization.
The vertex of this graph would be at (0, 2), so your degree coefficient would be negative. Your y-intercept would also be at (0, 2). Since both 1 and -1 are included, you can tell it is a parabola, and hence the 3rd option is your answer.
and surely you know how much that is.
Answer:
Step-by-step explanation:
The pdf of X is given by 3e^x(1-e^-2y). Please check the screenshot for the workings.
The pdf of Y is given by 6e^-2y. Please check the screenshot for the workings.
The expected time the device fails is the expected time Y fails, so we are going to find the expected time of Y which equals to 0.83.
Please check the screenshop for the workings. Thanks
Answer:
y = -2.5x + 4
Step-by-step explanation:
Slope intercept form: y = mx + b
Isolate the variable y. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS. First, subtract 5x from both sides.
5x (-5x) + 2y = 8 (-5x)
2y = 8 - 5x
Next, divide 2 from both sides to isolate the y.
(2y)/2 = (8 - 5x)/2
y = (-5/2)x + (8/2)
y = -2.5x + 4
y = -2.5x + 4 is your answer.
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