Solve the problem.The following table shows the population (in thousands) of Anytown, USA. YEAR POPULATION   1950  80   1960  95   1970 115   1980 150   1990 200   2000 265Use a graphing calculator to fit a quadratic function f(x) to the data. Use this equation to predict the population in the year 2007. Round your answer to the nearest thousand.

A. 267,000
B. 316,000
C. 16,820,000
D. 345,000


Answer: B

Mathematics

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Solve the problem.If the switch is thrown open after the current in an RL circuit has built up to its steady-state value, the decaying current obeys the equation   How long after the switch is thrown open will it take the current to fall to  of its original value?

A. 1.12 L/R seconds B. -4.60 L/R seconds C. -4.40 L/R seconds D. 0.92 L/R seconds

Mathematics

Add or subtract. Simplify the answer. + 

A.
B.
C.
D.

Mathematics

Simplify.

A.
B.
C.
D.

Mathematics

Simplify the expression. Assume that all variables are positive when they appear.

A.
B.
C.
D.

Mathematics