Multiply vertically.(3x2 - 3x - 4)(x2 - 2x - 5)
A. 3x4 - 9x3 - 13x2 + 23x + 20
B. 3x4 - 6x3 - 9x2 + 23x + 20
C. 3x4 - 6x3 - 13x2 + 23x + 20
D. 3x4 - 9x3 - 9x2 + 23x + 20
Answer: A
Mathematics
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Determine whether the Fourier series of the given function will include only sine terms, only cosine terms, or both sine terms and cosine terms.f(x) = 5 - x2 -9 ? x < 9
A. both sine and cosine terms B. only sine terms C. only cosine terms
Mathematics
Provide an appropriate response.Express in scientific notion: 240 × 104
A. 2.4 × 108 B. 24 × 105 C. 2.4 × 106 D. 240 × 104
Mathematics
Two marbles are drawn without replacement from a box with 3 white, 2 green, 2 red, and 1 blue marble. Find the probability.Both marbles are white.
A. 
B. 
C. 
D. 
Mathematics
Simplify.
2 + 3 ? 1
÷ 18
A. 
B. 1
C. 1
D. 1
Mathematics