parisaidan366
08.10.2019 •
Mathematics
Let f(x)=√7x and g(x)=x+8, whats the smallest number that is the domain of f^o g?
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Ответ:
(f○g)(x)=√(7x+56)
Since there is no real square root of a negative value, the smallest value in the domain would make the radicand equal to zero. x=-8 is the smallest number in the domain of (f○g)(x)
Ответ:
B
Step-by-step explanation:
1/5x +20 = 25
1/5x = 5
x = 25