Find the exact value of the expression.
A. - 
B. - 
C. -2
D. -
Answer: D
Mathematics
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Graph.y = 2x + 2(-x) 
A. 
B. 
C. 
D. 
Mathematics
Use the graph of a quadratic function to find the solution set of the equation or inequality. For a solution set that involves an interval, use interval notation.-x2 - 1x - 4 ? 0
A. x = 4 B. (-?, 4) ? (4, ?) C. (-?, ?) D. ?
Mathematics
Solve the equation.
+ 
= 4
A. -3
B. 3
C. 3, 
D. No solution
Mathematics
The graph of a function f is given. Use the graph to answer the question.Find the numbers, if any, at which f has a local minimum. What are the local minima?
A. f has a local minimum at x = 0; the local minimum is 1 B. f has a local minimum at x = -?; the local minimum is -1 C. f has no local minimum D. f has a local minimum at x = -? and ?; the local minimum is -1
Mathematics