U.S census bureau data shows that the number of families in the United States (in millions) in year x is given by h(x)= 51.42 +
15.473 + log x, where x=0 is 1980. how many families were there in 2002?
A. 90 million
B. 48 million
C. 72 million
D. 21 million
1 answer:
Answer:
C. 72 million
Step-by-step explanation:
Put the appropriate value of x into the correct formula and do the arithmetic.
... For the year 2002, x = 2002 -1980 = 22.
Then the population estimate is ...
... h(22) = 51.42 +15.473·log(22)
... = 51.42 +15.473·1.3424
... = 51.42 +20.77
... = 72.19 ≈ 72 . . . . million . . . . . matches choice C.
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