Find an explicit formula for the geometric sequence −1,−7,−49,−343,...-1\,,-7\,,-49\,,-343,... −1,−7,−49,−343
umka21 [38]
So we see it times 7 each time
starting with -1
geometric
an=a1(r)^(n-1)
a1=first term
r=common ratio
first term is -1
r=7
is the formula
also can look like this:
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Answer:
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Answer:
u need to provide the statement
Step-by-step explanation:
Answer: Second option. 5}
Solution
To find the remainder of a function when is divided by x-a, you only have to find f(a). In this case we must divide by x-2, then a=2 and we must determine f(2):
x=a=2→f(x)=f(a)=f(2)=(2)^4-3(2)^3+7(2)-1
f(2)=16-3(8)+14-1
f(2)=16-24+14-1
f(2)=5
Answer: the remainder is 5
