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lcar61
01.08.2019 •
Mathematics
If ƒ(x) = 10x + 7 and g(x) = x2 – 7x, find (ƒ – g)(x).
a. (ƒ – g)(x) = –x2 + 17x +7
b. (ƒ – g)(x) = 10x +7
c. (ƒ – g)(x) = 10x3 – 63x2 – 49x
d. (ƒ – g)(x) = x2 + 3x +7
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Ответ:
hope this ♡
answer is a
(f – g)(x) = f (x) – g(x)
[10x + 7] – [x2 – 7x]
10x + 7 – x2 + 7x
10x + 7x + 7 – x2
x2+17x+ 7
Ответ:
okay thanks but why did you give so much points