Find the axis of symmetry of the quadratic function.f(x) = -(x + 3)2 + 9
A. x = -3
B. x = 9
C. x = -9
D. x = 3
Answer: A
Mathematics
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Determine the truth value for the simple statement. Then use these truth values to determine the truth value of the compound statement. Use the chart or graph when provided.
Thirty-one percent of people watch 7 hours of TV each week or 6% do not watch 9 or more hours of TV each week, and 18% watch 8 hours of TV each week.
A. True B. False
Mathematics
Let f(x, y) = x + 3xy - 7x - 8. Find f(2h, 3k).
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Mathematics
Express as a sum of logarithms.ln 0.6b
A. ln 0.6 - ln b B. ln(0.6 + b) C. ln 6 - ln b D. ln 0.6 + ln b
Mathematics
List all the elements of B that belong to the given set.B = {16, 
, -19, 0, 
, 
, 0.55, -5?, 0.999.....}Irrational numbers
A. 
, -5?, 0.999.....
B. 
C. 
, -5?
D. 
, 
,-5?
Mathematics