Determine which of the following methods is the best choice for solving the given equation: factoring, using the principle of square roots or using the quadratic formula. Then, solve the equation.x2 + x + 4 = 0
A. Factoring; -1, 0
B. Square root principle or factoring; 1, 0
C. Quadratic formula; 
D. Square root principle; 
Answer: C
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Provide an appropriate response.In fractal geometry, the perimeter of a region is 
and the area is 
.
A. unlimited; unlimited B. limited; unlimited C. limited; limited D. unlimited; limited
Find the value of the constant k so that the given function in a probability density function for a random variable over the specified interval. f(x) = 
over [1, 18]
A. ln 18
B. 
C. 
D. 1 - ln 18
Determine whether the function is a polynomial function, a rational function, a radical function, or an exponential function.f(x) = 3x-3 + 27
A. Polynomial B. Rational C. Radical D. Exponential
Determine the standard deviation by filling in the table as part of your calculation.Consider the following data: 12, 11, 8, 9, 11, 9
A. 1 B. 1.41 C. 0.41 D. 0.82