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liljobe8973
21.08.2019 •
Mathematics
The quadratic functions f(x) and g(x) are described as follows:
f(x) = −2x2 + 9
x g(x)
0 −5
1 3
2 11
3 3
4 −5
which statement best compares the maximum value of the 2 functions?
1) it is the same for both functions
2) f(x) has a greater maximum value than g(x)
3) g(x) has a greater maximum value than f(x)
4) the maximum values can not be determined
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Ответ:
option: 3 is true.
3) g(x) has a greater maximum value than f(x).
Step-by-step explanation:
We are given quadratic function f(x) as:
and quadratic function g(x) as:
xg(x)
0 −5
1 3
2 11
3 3
4 −5
From the graph of the function f(x) we see that the maximum value attained by the function is 9 when x=0.
Also it could be seen that x^2 is always positive when x≠0.
Hence, the maximum value of f(x) is 9.
Also from the set of values of function g(x) the maximum value attained by g(x) is 11.
Hence function g(x) has a greater maximum value than f(x).
Ответ:
The underlined 2 has a value of 20 because it is in the tens position. If you multiply that by 10 you would get 200. Choice A has a two in the hundreds position.
hope that helps