Multiply.

A. 4102
B. 4192
C. 3992
D. 4092


Answer: D

Mathematics

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Which of the following is in scientific notation form?? ?

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Complete the sentence so the result is an identity. Let x be any real number.   - 1 = tan2x

A. cos2x B. sin2x C. cot2x D. sec2x

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Solve.The number B (measured in thousands) of a certain type of endangered bird can be approximated by the equation B = 1.13x2 + 3.8x + 6.94, where x is the number of years after 1998. How many birds does the equation predict there will be in the year 2003?

A. 47,250 birds B. 38,990 birds C. 54,190 birds D. 31,590 birds

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Find a symbolic representation for f-1(x).f(x) = 5x2 + 2, x ? 0

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B. f-1(x) = 
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Mathematics