leo4687
25.09.2019 •
Mathematics
F(x)= 2x+8 and g(x)=5. what is the value of (g o f)(3)?
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Ответ:
Step-by-step explanation:
F(x)= 2x+8 and g(X)=5.
(g o f)(3) = g(f(3))
but f(3) = 2(3)+8 = 14
(g o f)(3) = g(f(3)) = g(14) = 5
Ответ:
10/25=2/5
Fraction that you painted in 1 min:
5/25=1/5
Fraction pained by both in 1 min:
1/5+2/5=3/5 ft²/min
Time taken to paint 50 ft² will be:
time=3/5×50=30 min
Thus we conclude that Sam was wrong.