Solve the equation by completing the square.
x2 + 
x - 
= 0
A. {
, - 
}
B. {
, 
}
C. {
, - 
}
D. {
, - 
}
Answer: C
Mathematics
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For the given functions f and g, find the requested composite function value.f(x) = 4x + 6, g(x) = 2x2 + 1;
Find (f ? f)(4).
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Use a graphing calculator to find the zeros of the function. Round to three decimal places.f(x) = 2.38x2 - 14.57x - 1.95
A. -0.262, 12.506 B. -0.131, 6.253 C. -6.253, 0.131 D. 0.137, 5.985
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Solve the equation.-6n - 3 = 21
A. n = 22 B. n = -18 C. n = 4 D. n = -4
Mathematics