Simplify the expression. If any variables exist, assume that they are positive.-5
- 7
A. -16
B. -12
C. 26
D. -26
Answer: D
Mathematics
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Solve the problem.Find the derivative of the function 
at the point 
in the direction in which the function decreases most rapidly.
A. - 
B. - 
C. - 
D. - 
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Evaluate.(0.9)3
A. 2.7 B. 1 C. 0.81 D. 0.729
Mathematics
Decide whether to write <, >, or = between the pair of numbers.
0.2
A. < B. = C. >
Mathematics
Find the power of i.i8
A. 1 B. -i C. -1 D. i
Mathematics