Convert to an exponential equation.log2  = -3

A. 21/8 = 3
B. 2-3 = 
C.  3 = 2
D. 32 = 


Answer: B

Mathematics

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Graph the function.A satellite is orbiting the earth such that its displacement D north of the equator (or south if D < 0) is given by . Sketch two cycles of D as a function of t. Use  Label the point on the horizontal which represents the end of the second cycle.

A.

B.

C.

D.

Mathematics

Solve.x2 + 2x - 4 ? 0

A. (-?, -1 - ] ? [-1 + , ?)
B. (-?, -1 -  ) ? (-1 + , ?)
C. (-?, -] ? [, ?)
D. [-1 -  , -1 +  ]

Mathematics

Represent each circuit with a symbolic statement. Using a truth table, state whether the circuits are equivalent.

A. (p ? q) ? ~p; (~p ? q) ? p; not equivalent B. (p ? q) ? ~p; (~p ? q) ? p; not equivalent C. (p ? q) ? ~p; (~p ? q) ? p; equivalent D. (p ? q) ? ~p; (~p ? q) ? p; equivalent

Mathematics

Add.

A. 76.977 B. 77.977 C. 78.077 D. 77.077

Mathematics