Solve the equation.x2 = -18x - 81
A. {-9, 9}
B. {-9}
C. {0, 9}
D. {9}
Answer: B
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Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.
[5 ln(x + 9) - ln x - ln(x2 - 8)]
A. ln 
B. ln 
C. ln 
D. ln 
Use the graph of a power function and transformations to sketch the graph of the polynomial function.f(x) = x5 - 4
A. 
B. 
C. 
D. 
Find the standard form of the equation for the ellipse satisfying the given conditions. Center (0, 0); foci (0, ±4); b = 5
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Construct a probability model for the experiment.Tossing a fair coin twice given that the coin is weighted so that heads is three times as likely as tails to occur.
What will be an ideal response?