Simplify the radical.
A. 9
B. 6
C. 24
D. 4
Answer: D
Mathematics
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Sketch the logarithmic function.f(x) = -ln (x)
A. 
B. 
C. 
D. 
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Solve the exponential equation. Round to three decimal places when necessary.ex + e-x = 6
A. 1.357, -2.168 B. 1.818, -1.818 C. 1.763, -1.763 D. 1.755, -1.532
Mathematics
Determine whether the function is one-to-one by graphing and using the horizontal line test.f(x) = - 
A. Yes B. No
Mathematics
Find the range of the polynomial function. f(x) = 3x2 + 18x + 23
A. (-?, 4] B. [-4, ?) C. [4, ?) D. (-?, -4]
Mathematics