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naomicervero
07.01.2022 •
Mathematics
A set s consists of all real numbers between 17 and 21 , inclusive. Use set-builder notation to define s
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Ответ:
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Explanation:
The curly braces tell us we're dealing with a set of values.
The notation
means "x is in the set of real numbers". In other words, it says "x is a real number".
Writing
tells the reader that x is between 17 and 21, including both endpoints.
Put everything together and
means "we have a set of real numbers x that are between 17 and 21, inclusive".
-------------------------------
Extra info:
Choice A can be ruled out because there isn't any number that's both smaller than 17 and also larger than 21 at the same time. The set described for choice A simplifies to the empty set. Choice B is ruled out because this is only talking about integers between 17 and 21; instead of real numbers. A number like 17.5 is left out when we want to include it.Choice D can be ruled out because the endpoints x = 17 and x = 21 are left out (but we want to include them). Also, there's no mention if x is a real number or not.Ответ:
Step-by-step explanation:
Explanation:-
Given F(X)=7 x-1
G(X)=x²+1, and
H(X)=(x+ 1 /7)
(F G H)(6) = (F G ) H(6)
=
( ∵ H(X)=(x+ 1 /7)
=
=
( ∵ G(X)=x²+1)
=![F(\frac{(43)^{2}+49 }{49} )](/tpl/images/0686/5974/4b191.png)
=
(∵ F(X)=7 x-1)