Find the equation that the given graph represents.
A. P(x) = -x3 + 4x2 - 9
B. P(x) = -x3 + 20x
C. P(x) = x3 - 4x2 + 20x
D. P(x) = x3 + 9x
Answer: B
Mathematics
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Express the following in interval notation.
A. (-?, -4) B. (-?, -4] C. (-4, ?) D. [-4, ?)
Mathematics
Provide an appropriate response.Tell whether the statement is true or false. If it is false, give the correct answer. Explain your answer. The easiest way to simplify the expression 
is to multiply both the numerator and denominator of 
by 
.
What will be an ideal response?
Mathematics
Solve.
+ 5 = 0
A. - 
B. 
C. 
D. empty set
Mathematics
Use the graph of the function f to solve the inequality.f(x) ? 0
A. (-?, -4] ? [2, 7] B. [-4, 2] ? [7, ?) C. (-?, -4] ? [7, ?) D. (-4, 2) ? (7, ?)
Mathematics