Solve.x4 - 5x2 + 4 = 0
A. -2, -1, 1, 2
B. -4, 4
C. -5, 5
D. -2, 2
Answer: A
Mathematics
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Estimate the magnitude of the error involved in using the sum of the first four terms to approximate the sum of the entire series.
, -1 < t ? 1
A. 
< 
B. 
< 0.20
C. 
< 
D. 
< 
Mathematics
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = - 
, 
< ? < 2?Find sin 
.
A. - 
B. - 
C. 
D. 
Mathematics
Consider the points plotted in the graph below.
Give the coordinates for point K.
A. (-4, 3) B. (3, -4) C. (3, 4) D. (4, 3)
Mathematics
Solve.- 
x = 
A. 
B. - 
C. - 1
D. - 
Mathematics