42x + 4 = 130
42x = 130-4
42x = 126
x = 3
Answer:
The function's graph shown is C. y = cos x
Step-by-step explanation:
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Answer:
-64
Step-by-step explanation:
By looking at the numbers, we can identify that this is a geometric sequence and the ratio would be 2. The formula to find the nth term in a geometric series is:
where t is the first term and r is the ratio. We can substitute in the information we know:
We are looking for the eighth term, so we substitute 8 where n is:
We can simplify:
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