Please help, I will give a medal.
Functions f(x) and g(x) are described as follows:
f(x) = -4x2 + 5
x g(x)
0 0
1 4
2 8
3 4
4 0
Which statement best compares the maximum value of the two functions? (4 points)
It is equal for both functions.
It is 3 units higher for f(x) than g(x).
It is 3 units lower for f(x) than g(x).
It is 4 units lower for f(x) than g(x).
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OpenStudy (anonymous):
@amistre64
OpenStudy (anonymous):
@zepdrix
OpenStudy (anonymous):
@texaschic101
OpenStudy (anonymous):
@iGreen
OpenStudy (astrophysics):
What is the maximum value for f(x)?
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OpenStudy (anonymous):
Uhm.. I don't really know.
OpenStudy (astrophysics):
What happens if you have f(0)?
OpenStudy (anonymous):
Nothing?
OpenStudy (astrophysics):
\[f(0) = -4(0)^2 +5 \implies f(0) = 5\] this is your maximum value
OpenStudy (astrophysics):
So since we know that, what can we say about g(x)?
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OpenStudy (astrophysics):
Max value for f(x) = 5,
look at your table of values and see g(x), what's the maximum value for that?
OpenStudy (anonymous):
8?
OpenStudy (astrophysics):
Yeah, so what's your answer then?
OpenStudy (anonymous):
C?
OpenStudy (astrophysics):
Yup :)
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