help on latest question? it's worth 100 pts and pretty easy im just lazy :) its also a math question :)
2 answers:
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The statement that -6 is in the domain of f(g(x)) is true
<h3>Complete question</h3>If f(x) = -2x + 8 and g(x) = , which statement is true?
- -6 is in the domain of f(g(x))
- -6 is not in the domain of f(g(x))
We have:
f(x) = -2x + 8
Start by calculating the function f(g(x)) using:
f(g(x)) = -2g(x) + 8
Substitute
Set the radicand to at least 0
Subtract 9 from both sides
This means that the domain of f(g(x)) are real numbers greater than or equal to -9. i.e. -9, -8, -7, -6, ...........
Hence, the statement that -6 is in the domain of f(g(x)) is true
Read more about domain at:
#SPJ1
The hundredths place is the second place after the decimal point. In this case, it is .
We can round it by looking at the next place to the right, which is a .
is less than
, so we can just cut off everything after the hundredths place. This leaves an answer of
.