Please help me get the right answer?!
2 answers:
Hi!
Let's put the value of x into the equation.
f(-2) =
solve
f(-2) = 0.012345679
Now let's see if this is equal to any of the answers.
1/81 = 0.012345679 c<em>orrect</em>
81 = 0.012345679 <span><em>wrong</em>
</span>1/18 = 0.012345679 <em>wrong</em>
18 = 0.012345679 <em>wrong</em>
The answer is <span>A. 1/81
Hope this helps! :)
</span>
Let's put the value of x into the equation.
f(-2) =
solve
f(-2) = 0.012345679
Now let's see if this is equal to any of the answers.
1/81 = 0.012345679 c<em>orrect</em>
81 = 0.012345679 <span><em>wrong</em>
</span>1/18 = 0.012345679 <em>wrong</em>
18 = 0.012345679 <em>wrong</em>
The answer is <span>A. 1/81
Hope this helps! :)
</span>
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Answer:
The explicit formula for the given expression is .
Step-by-step explanation:
The given sequence is
-7, -4, -1, 2, 5
The difference between two consecutive terms is same, therefore the given sequence is an arithmetic sequence.
The first term of the given AP is -7 and the common difference is
The explicit formula for an AP is
Where, a is first term, d is common difference and n is number of terms.
Substitute a=-7 and d=3 in the above equation.
Therefore the explicit formula for the given expression is .