Perform the indicated operation. Write your result in a + bi form.
A. - 
+ 
i
B. 
- 
i
C. 
+ 
i
D. - 
- 
i
Answer: B
Mathematics
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Find the extreme values of the function subject to the given constraint.
A. Maximum: 3 at 
minimum: -3 at 
B. Maximum: 3 at 
and 
minimum: -3 at 
and 
C. Maximum: 3 at 
minimum: -3 at 
D. Maximum: 3 at 
minimum: -3 at 
Mathematics
Find the derivative.f(x) = -4x4 + 8x - 5
A. -4x3 + 8x - 5 B. -4x3 + 8 C. -16x3 + 8x - 5 D. -16x3 + 8
Mathematics
Evaluate the expression.-73
A. 21 B. -21 C. -343 D. 343
Mathematics
Factor.2y + 8
A. 2y B. 8 C. 2(y + 4) D. No common factor
Mathematics