What is the y-intercept, axis of symmetry and vertex of the following function.
2 answers:
Y intercept = 5 Axis of sym = -1 Vertex = (-1, -2)
To find the y intercept you must substitute 0 into x. F(x) = (-3x0) - (6x0) - 5 F(x) = -5 To find the axis of symmetry and vertex we use the formula -b/2a to find the x coordinate x = 6/(-3x2) x = 6/-6 x = -1 Now we need to find the y coordinate so we sub -1 into x. F(x) = (-3x-1) - (6x-1) - 5 F(x) = 3 + 6 - 5 F(x) = 4 The axis of symmetry and vertex are (-1,4) and the y coordinate is -5. Hope this helps.
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Answer:
125 meters
Step-by-step explanation:
Let distance = d and time is t
Using the variation;
d = k t^2
So let’s us get k
80 = k * 4*2
16k = 80
k = 80/16 = 5
So for 5 seconds, the distance would be;
d = 5 * 5^2
d = 125 meters
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D because some of the inputs have the same output therefor it is not a function
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Step-by-step explanation: