Functions f,g
Find g(1) if g(x) = 3x - x
2
Find f(5) if f(x) = x + 1/2
Correct answer:
g =
2
f =
5.5
Step-by-step explanation:
x
=
1
g
=
3
⋅
x
−
x
2
=
3
⋅
1
−
1
2
=
2
x
=
5
f
=
x
+
1
/
2
=
5
+
1
/
2
=
5
.
5
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Find g(1) if g(x) = 3x - x2 Find f(5) if f(x) = x + 1/2
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You need to know the following knowledge to solve this word math problem:
basic functions
functions
Grade of the word problem:
practice for 13 year olds
practice for 14 year olds
high school
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