MarianaF
30.01.2020 •
Mathematics
Find (f - g)(5) when f(x) = 5x2 + 4 and g(x)=x
+3.
a) 121
b) 131
c) -134
d) 127
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Ответ:
The answer is A
- you have to substitute 5 for x in both equations
- solve both equations separately
- subtract the functions
Ответ: