anonymous
  • anonymous
For the function f(x) = –(x + 1)2 + 4, identify the vertex, domain, and range.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
The vertex is (–1, 4), the domain is all real numbers, and the range is y ≥ 4. The vertex is (–1, 4), the domain is all real numbers, and the range is y ≤ 4.-my answer The vertex is (1, 4), the domain is all real numbers, and the range is y ≥ 4. The vertex is (1, 4), the domain is all real numbers, and the range is y ≤ 4.
anonymous
  • anonymous
need help want to make sure if im correct
anonymous
  • anonymous
ok what are you thinking?

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anonymous
  • anonymous
b
anonymous
  • anonymous
thats right
anonymous
  • anonymous
thank you so much can help make sure I have 3more problems correct
anonymous
  • anonymous
ok
anonymous
  • anonymous
What is the equation of the following graph in vertex form? parabolic function going down from the left through the point negative four comma zero and turning at the point negative three comma negative one and going up through the point negative two comma zero and then through the point zero comma eight and continuing up towards infinity
anonymous
  • anonymous
Courtesy of Texas Instruments y = (x − 3)2 − 1 y = (x + 3)2 − 1 y = (x − 4)2 − 2-my answer y = (x − 4)2 + 8
anonymous
  • anonymous
next time just type the numbers please. it's a lot easier to decipher. If it turns at (-3, -1) that's the vertex, so it should be the 2nd choice
anonymous
  • anonymous
im so sorry
anonymous
  • anonymous
no problem
anonymous
  • anonymous
Given the function f(x) = x2 and k = –1, which of the following represents a function opening downward?
anonymous
  • anonymous
f(x) + k-my answer kf(x) f(x + k) f(kx)
anonymous
  • anonymous
f(x)+k moves the function down k units. You want the one that makes -1*f(x)
anonymous
  • anonymous
so D
anonymous
  • anonymous
b
anonymous
  • anonymous
MMM o ok
anonymous
  • anonymous
0 1 –1 -my answer –2
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anonymous
  • anonymous
what's the question?
anonymous
  • anonymous
alculate the average rate of change for the given graph from x = –2 to x = 0
anonymous
  • anonymous
rate of change just means slope. \[m=\frac{ y_2-y_1 }{ x_2-x_1 }\]
anonymous
  • anonymous
plug the two points into the equation
anonymous
  • anonymous
-2
anonymous
  • anonymous
well its between -2 nd 0
anonymous
  • anonymous
|dw:1435809574993:dw|
anonymous
  • anonymous
0
anonymous
  • anonymous
yes
anonymous
  • anonymous
was that the last one?
anonymous
  • anonymous
tht was the last one THANK YOU SO MUCH
anonymous
  • anonymous
WAITTT another 5 came up
anonymous
  • anonymous
Using the completing-the-square method, find the vertex of the function f(x) = –3x2 + 6x − 2 and indicate whether it is a minimum or a maximum and at what point.
anonymous
  • anonymous
Maximum at (1, 1) Minimum at (1, 1) Maximum at (–1, 2) Minimum at (–1, 2)
anonymous
  • anonymous
helpp

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