actually it is an area
(set of all points in which y is less than 1 )
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Answer:
midline = 1.5
Step-by-step explanation:
f(x) = d + a*cos (bx+c)
a = amplitude
b = part of the period
c = horizontal shift
d = vertical shift (midline location)
d = 1.5
9514 1404 393
Answer:
a(n) = 1/2(-8)^(n-1)
Step-by-step explanation:
The general term of a geometric sequence is ...
a(n) = a(1)×r^(n-1)
where a(1) is the first term, and r is the common ratio.
Here, the first term is a(1) = 1/2. The common ratio is the ratio of any two sequential terms: r = 32/-4 = -8. Then the explicit formula is ...
a(n) = 1/2(-8)^(n-1)