Multiply.(-9x4 )( 4x5 )
A. 13x20
B. 13x9
C. -36x20
D. -36x9
Answer: D
Mathematics
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Find the quadratic approximation of f at x = 0.f(x) = sin ln(2x + 1)
A. Q(x) = 1 + 2x + 2x2 B. Q(x) = 2x - 2x2 C. Q(x) = 2x + 2x2 D. Q(x) = 1 - 2x + 2x2
Mathematics
Evaluate the improper integral or state that it is divergent. 
A. -36 B. 18 C. - 18 D. 0
Mathematics
Identify the name of the angles labeled in the figure.
A. Vertical angles B. Supplementary angles C. Corresponding angles D. Complementary angles
Mathematics
Multiply.
A. 3476 B. 3466 C. 3486 D. 3576
Mathematics