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Semenov [28]
3 years ago
8

Help with top one please

Mathematics
2 answers:
HACTEHA [7]3 years ago
5 0
Short answer: 39
y = 7x - 3
f(x) = y = 7x - 3 Though there are some slight differences between f(x) and y, it is safe to say that f(x) acts (in this case) as a y value. So the question now is what does y(6) mean? 

y(6) means exactly the same thing as what f(6) would mean. The both mean that where ever you see an x, put in a 6. 

So y(6) means 7x - 3 = 7*6 - 3 = 39

Andreyy893 years ago
3 0
Y(6): value of y at x = 6

y(6) = 7(6) - 3 = 42 - 3 = 39

y(6) = 39
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