Mathematics, 10.03.2021 08:00 EllaSue
The function fff is given in three equivalent forms.
Which form most quickly reveals the yyy-intercept?
Choose 1
Choose 1
(Choice A)
A
f(x)=\dfrac{1}{2}(x-5)^2-2f(x)=
2
1
β
(xβ5)
2
β2f, left parenthesis, x, right parenthesis, equals, start fraction, 1, divided by, 2, end fraction, left parenthesis, x, minus, 5, right parenthesis, squared, minus, 2
(Choice B)
B
f(x)=\dfrac{1}{2}x^2-5x+\dfrac{21}{ 2}f(x)=
2
1
β
x
2
β5x+
2
21
β
f, left parenthesis, x, right parenthesis, equals, start fraction, 1, divided by, 2, end fraction, x, squared, minus, 5, x, plus, start fraction, 21, divided by, 2, end fraction
(Choice C)
C
f(x)=\dfrac{1}{2}(x-3)(x-7)f(x)=
2
1
β
(xβ3)(xβ7)f, left parenthesis, x, right parenthesis, equals, start fraction, 1, divided by, 2, end fraction, left parenthesis, x, minus, 3, right parenthesis, left parenthesis, x, minus, 7, right parenthesis
What is the yyy-intercept?
yyy-intercept =(0,=(0,equals, left parenthesis, 0, comma
))
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