Solve the problem.A function f(x) is of the form f(x) = a(x - h)2 + k. What can you say about the values of a, h, and k if the graph of f(x) lies entirely below the x-axis?
A. a, h, and k must all be negative
B. a and k must be negative
C. h and k must be negative
D. a and h must be negative
Answer: B
Mathematics
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Solve.
= 0
A. {0} B. {-5, 0} C. {-5, 5} D. {0, 5}
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Write the sentence as an equation or inequality. Use x to represent any unknown number.Twice a number is 15.
A. 2x = 15
B. 
x = 15
C. x + 2 = 15
D. x = 30
Mathematics
Solve the equation. log2x = 3
A. {5} B. {8} C. {6} D. {9}
Mathematics
Find the value for the function.Find f(2x) when f(x) = 
.
A. 2
B. 
C. 
D. 
Mathematics