Solve the inequality. Write the solution set in interval notation.x2 + 7x ? 0
A. (-?, -7]
B. (-?, -7] ? [0, ?)
C. [-7, 0]
D. [0, ?)
Answer: B
Mathematics
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Answer the question.What does the digit 3 mean in the number 301,475?
A. 3 ten thousands B. 3 hundreds C. 3 thousands D. 3 hundred thousands
Mathematics
Graph the given line.y = -3
A. 
B. 
C. 
D. 
Mathematics
Find the derivative of the function.
?
?
A. 
B. 
C. 
D. 
Mathematics
Solve.
+ 
+ 7 = 0
A. 0
B. 2
C. 
D. No solution
Mathematics