Evaluate the polynomial.-4x2 - 2x + 1, when x = 2
A. -23
B. -11
C. -29
D. -19
Answer: D
Mathematics
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Express the trigonometric function in terms of the same function of a positive acute angle.sin 261°
A. sin 81° B. -sin 81° C. -sin 36° D. sin 36°
Mathematics
Solve the problem.By Newton's method, solve the equation 
A. 1.6886476 B. 1.4779950 C. 1/1599393 D. 1.4784866
Mathematics
Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = x2 between x = 1 and x = 5 using an upper sum with four rectangles of equal width.
A. 54 B. 30 C. 69 D. 41
Mathematics
Find the exact value of the indicated trigonometric function of ?, if ? is an angle in standard position whose terminal side contains the given point.(5, -6); find cot ?.
A. 
B. - 
C. - 
D. - 
Mathematics