Multiply.(x2 - 4)2
A. x4 + 16
B. x4 - 4x + 16
C. x4 - 8x2 + 16
D. x4 - 4x2 + 16
Answer: C
Mathematics
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Solve and graph.-4 < 2x - 8 and 8x - 10 < 38
A. (2, 6]
B. [2, 6]
C. [2, 6)
D. (2, 6)
Mathematics
Find the largest open intervals where the function is concave upward.f(x) = x2 + 2x + 1
A. (-1, ?) B. (-?, -1) C. None D. (-?, ?)
Mathematics
Simplify. Assume all variables represent nonnegative values.
A. 4a
B. 4a2
C. 4
D. 256a
Mathematics
Find the integral.
A. 
x4 + ln 
+ C
B. 
x4 - ln 
+ C
C. 
x5 - ln 
+ C
D. 
x5 + ln 
+ C
Mathematics