Solve the equation.2-x = 
A. 
B. 
C. {-3}
D. {3}
Answer: D
Mathematics
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Graph the polynomial function. f(x) = x4 - 4x2
A. 
B. 
C. 
D. 
Mathematics
Express the number in scientific notation.0.000315
A. 3.15 × 10-3 B. 3.15 × 104 C. 3.15 × 10-4 D. 3.15 × 10-5
Mathematics
Provide an appropriate response. A group of printers were advertised in the Sunday supplement. The prices listed were $129, $275, $475, $139, $159, $210, $425, and $159. What was the mean of price the printers?
A. $184.50 B. $159 C. $246.38 D. $425
Mathematics
Solve the problem.Express 105° as ? + ?, where cos ? and cos ? are known exactly.
A. 10° + 95° B. 60° + 45° C. 62° + 43° D. 58° + 47°
Mathematics