Decide if the set of ordered pairs does or does not represent a function.{(-9, -6), (-9, 3), (-1, -6), (6, -3), (9, 7)}
A. Yes
B. No
Answer: B
Mathematics
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Solve the problem. Snell's Law states that 
Use this law to find the requested value. If 
and 
find c2.
A. c2 = 5.13 × 107 B. c2 = 5.13 × 106 C. c2 = 4.89 × 109 D. c2 = 5.66 × 107
Mathematics
If P has coordinates (-3, 4) and Q has coordinates (0, 0), then PQ is
(a) 5. (b) ?7. (c) 2?3. (d) 7. (e) None of these is correct.
Mathematics
Use the rules of exponents to simplify the expression. Use positive exponents to write the answer.
-4
A. 
B. 
C. 
D. 
Mathematics
Use the quadratic function to determine if the function has a maximum or minimum value and then find this maximum or minimum value.f(x) = 4x2 - 2x + 1
A. maximum at 
B. minimum at 
C. maximum at 
D. minimum at 
Mathematics