Solve the problem.The following numerical representation for f computes the average number of hours of television watched per day based on year of birth x.
Give a numerical representation for a function g that computes the average number of hours of television watched per day for the year x, where
corresponds to the birth year 1975. Write an equation that shows the relationship between f(x) and g(x).
A.
f(x) = g(x + 1975)
B.
f(x) = g(x - 1900)
C.
f(x) = g(x) - 1975
D.
f(x) = g(x - 1975)
Answer: D
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Find dy for the given values of x and ?x.y = ; x = 10, ?x = -0.003
A. 0.03 B. 0.003 C. 0.0003 D. 0.00003
Find the inverse of the function.f(x) = -x2 + 17, x ? 0
A. f-1(x) = -
B. f-1(x) = x2 + 17
C. f-1(x) =
D. f-1(x) =
Solve the problem.The table shows the number of dollars spent in Country X (in millions) on environmental protection programs during the years through
. Find the cubic model that is the best fit for this data. Round coefficients to three decimal places.
A. f(x) = 0.005x3 - 0.102x2 + 0.805x + 4.697 B. f(x) = 0.007x3 - 0.105x2 + 0.805x + 4.397 C. f(x) = -0.010x2 + 0.446x + 5.759 D. f(x) = -0.010x2 + 0.346x + 5.253
Simplify. ÷
A.
B.
C.
D.