When we have power function or exponential, or then we have a/x, then functions are not going to give arithmetic sequence, because an arithmetic sequence it is really a linear function when x are natural numbers,
so we need to check only A
<span>f(x)=- x/3 +5
x 1 2 3 4 5
y 14/3 13/3 12/3 11/3 10/3 arithmetic difference is -1/3
so the answer is A</span>
E^x = 1 + x + x² / 2 + x³/ 3! + x^4 / 4! + .....
= (1 + x + x²/2 ) + x³ [ 1/6 + x /4! + x² / 5! + .... ]
Error = e^x - (1+ x + x² ) = x³ [ 1/6 + x /4! + x² / 5! + .... ]
x / 4! < x / 6 x² / 5! < x² / 6 and so on
So if we replace all factorials by 1/6 ..
error < x² [ 1/6 + x/6 + x²/6 + ... ]
< x² / 6 [ 1 + x + x² ..... ]
< x² / 6 * 1 / (1 -x) = x² / 6 (1-x) if x < 1
maximum error = x² /6(1-x) occurs at 0.4 or -0.4 in the given interval.
= 0.0444444
To answer this question you have to find the lowest common multiple of 10 and 12. The lowest common multiple of 10 and 12 is 60 so therefore they need to sell 60 packs to get the same number.
2x+3 is the answer I believe
The answer is D. Negative Correlation.
