Simplify the expression.(x + 8)(x - 8)(4x + 2)
A. 4x3 + 2x2 + 256x + 128
B. 4x3 + 66x2 + 288x + 128
C. 4x3 - 62x2 + 224x + 128
D. 4x3 + 2x2 - 256x - 128
Answer: D
Mathematics
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Estimate error made by using the partial sum S4 as an approximation to the sum S of the entire series.
A. 5.95 x 10-5
B. 4.16 x 10-4
C. 
D. 8.50 x 10-6
Mathematics
Find the exact value under the given conditions.sin ? = 
, 0 < ? < 
; cos ? = 
, 0 < ? < 
Find cos (? + ?).
A. 
B. 
C. 
D. 
Mathematics
Determine if the equation is an identity.tan 
= cot x
A. No B. Yes
Mathematics
Use < or > for ? to write a true sentence.
? 
A. > B. <
Mathematics