Solve the quadratic inequality. Write your answer in interval notation.x2 - 9x + 18 ? 0
A. (-?, 3]
B. (-?, 3] ? [6, ?)
C. [3, 6]
D. [6, ?)
Answer: B
Mathematics
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The graph of y = f(x) is given. Use the graph to find the function value.Find f(-5).
A. 0 B. 3 C. 8 D. -5
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
If y varies directly as x, write a general formula to describe the variation.y = 0.7 when x = 2.8
A. y = 0.7x B. y = 4x C. y = x - 2.1 D. y = 0.25x
Mathematics
Match the given graph with its equation.
A. 
+ 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics