Solve the problem.f(x) = log2(x - 1) and g(x) = log2(2x + 26).Solve f(x) + g(x) = 6.
A. {-3}
B. {-8}
C. {8}
D. {3}
Answer: D
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The following table shows the average rice yield Y, in tons per hectare, on Asian farms t years after 1980. Based on the regression equation, what would you expect to be the average rice yield in 2012? t 5 10 20 25Y 3.39 3.64 3.97 4.13? ?
A. 5.19 tons per hectare B. 4.99 tons per hectare C. 5.18 tons per hectare D. 4.52 tons per hectare
Find the area of the shaded region. y = x4 - 32
y = -x4
A. 
B. 
C. 
D. 
Write the percentage as a fraction or decimal, as indicated.Write as a decimal.46%
A. 0.35 B. 4.6 C. 0.046 D. 0.46
Find the vertex, focus, and directrix of the parabola with the given equation.y2 + 8y = 8x + 40
A. vertex: (-7, -4) focus: (-7, -2) directrix: y = -6 B. vertex: (-7, -4) focus: (-5, -4) directrix: x = -9 C. vertex: (-7, -4) focus: (-9, -4) directrix: x = -5 D. vertex: (-7, -4) focus: (-7, -6) directrix: y = -2