How many solutions does the equation 4 + 4x - 3 = 4x + 5 have?
2 answers:
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Answer:
.
Step-by-step explanation:
This is a geometric sequence that means there is a common ratio. That means there is a number you can multiply over and over to get the next term.
The first term is 27.
The second term is (1/3)(27)=9.
The third term is (1/3)(9)=3.
So the common ratio is 1/3.
That means you can keep multiplying by 1/3 to find the next term in the sequence.
The explicit form for a geometric sequence is where
is the first term and
is the common ratio.
We are given and
.
So the explicit form for the given sequence is .