Answer:

Step-by-step explanation:
From inspection of the graph, the given points are:
If we draw a line through the given points, the line is a curve rather than a straight line. If the line was a straight line, the graph would be modeled as an arithmetic sequence. Therefore, as the line is a curve, the given points are modeling a geometric sequence.
<u>General form</u> of a geometric sequence:

where:
- a is the first term
- r is the common ratio
is the nth term
Rewrite the given points as terms of the sequence:
- (2, 9) ⇒ a₂ = 9
- (3, 3) ⇒ a₃ = 3
- (4, 1) ⇒ a₄ = 1
To find the common ratio r, divide consecutive terms:

Calculate the first term (a) by substituting the found value of r and the given values of one of the terms into the formula:




Substitute the found values of r and a into the general formula to create the sequence modeled by the graph:

Learn more about geometric sequences here:
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Answer:
Increased by 290
Step-by-step explanation:
2(-30) = -60
-60 + 350 = 290
points increased by 290
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Answer:
30(2)-6
Step-by-step explanation:
30 computers in 2 labs minus the 6 broken computers.
1/4 pound x 5 days= 1 1/4 pounds (1.25)
Answer:
see explanation
Step-by-step explanation:
Under a reflection in the line y = - x
a point (x, y ) → (- y, - x ), thus
T(- 1, 3 ) → T'(- 3, 1 )
U(- 1, 10 ) → U'(- 10, 1 )
V(- 2, 4 ) → V'(- 4, 2 )