Simplify the expression.
+ 
A. 
B. 
C. 2
D. 
Answer: D
Mathematics
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Find the derivative.y = 13x-2 - 5x3 - 7x
A. -26x-3 - 15x2 B. -26x-1 - 15x2 C. -26x-1 - 15x2 - 7 D. -26x-3 - 15x2 - 7
Mathematics
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. 
B. 10
C. 
D. 
Mathematics
Write an equation for a function that has a graph with the given characteristics.The shape of y = ?x? is reflected across the y-axis. This graph is then vertically stretched by a factor of 5.7. Finally, the graph is shifted 7 units downward.
A. f(x) = 7?-x? - 5.7 B. f(x) = 5.7?-x? + 7 C. f(x) = -5.7?x? - 7 D. f(x) = 5.7?-x? - 7
Mathematics
Solve. Then graph. Write the solution set using interval notation.
> 4 
A. (-?, 16)
B. (16, ?)
C. [16, ?)
D. (-?, 16]
Mathematics