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lilavasa [31]
2 years ago
15

Given f(x)=x-7 and g(x)=x^2 Find g(f(-1)) Find f(g(-1)) With explanation

Mathematics
1 answer:
Arlecino [84]2 years ago
4 0

Step-by-step explanation:

f (x)= x-7

= -1-7

= -6

g (x)= x^2

= (-1)^2

=1

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\huge{\underline{\underline{\boxed{\sf{\purple{ǫᴜᴇsᴛɪᴏɴ}}}}}}

<h3> (8) An aeroplane takes off from Dubai located in the +4 time zone at 13:00. It arrives in Manila in Philippines, located in the +8 time zone at 20:00.</h3>

  • (1) Find the time in Manila when the aeroplane departsfrom Dubai.

  • (ii) Find the time duration of the flight.

  • (iii) What is the time in Dubai when the aeroplane arrives in Manila?

\huge{\underline{\underline{\boxed{\sf{\ref{Answer}}}}}}

  • (i)17.00
  • (ii)3 hours
  • (iii) 16.00

\large\huge\green{\sf{♥ Explanation♥}}

<h3>Dubai located +4 zone, takes off at 13.00,</h3>

∴Hence, at standard it is 13.00-4 =99.00 STD talk

off reached at Manila +8 Zone at 20.00

∴Hence at standard & 2000 -8

reached.⇒ 12.00 STD

  • Hence time of flight was = 3 hours.

(i) Time at Manila, whicle Plane de parts

12-3+8 ⇒9+8 → 17.00

(ii) duration = 3 hours.

(iii) in dubai 13.00 + 3 = 16,00

_____________________

Ans

i)17.0.0 (ii) 3 hours (iii) 16.00

________________________

♕ hence we done:) xD

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