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1)b 0.48

2) c 0.35

3) a 0.092

4) d 51.2

5) a 4

6) b0.6

7) d 3

8) a 3.33

9) a 37.125

10) c 9.1

1. b

2. c

3. a

4. d

5. a

6. b

7. d

8. b

9. a

10. c

first, we define the variables:

x: number of years after 1950

f (x): amount of vinyl sold.

then, with the variables defined, we have:

68594 vinyl records were sold in 1958 > f (8) = 68594

91299 vinyl records were sold in 1961 > f (11) = 91299

38720 vinyl records were sold in 1952 > f (2) = 38720

161743 vinyl records were sold in 1967 > f (17) = 161743

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step-by-step explanation: