Determine if the following is a linear equation in one variable. If not, state why not.9 = 2x2 + 11x - 45
A. It is not a linear equation in one variable because it is not an equation.
B. It is not a linear equation in one variable because it has more than one variable.
C. It is a linear equation in one variable.
D. It is not a linear equation in one variable because it is nonlinear.
Answer: D
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Solve the problem.The water in a tank weighs 160.64 lb. One cubic foot of water weighs 62.5 lb. How many cubic feet of water are in the tank?
A. 223.14 cubic feet B. 10,040.000 cubic feet C. 2.57024 cubic feet D. 0.38907 cubic feet
Find the vertex, focus, and directrix of the parabola with the given equation.(y - 4)2 = 12(x + 2)
A. vertex: (4, -2) focus: (7, -2) directrix: x = 1 B. vertex: (2, -4) focus: (5, -4) directrix: x = -1 C. vertex: (-2, 4) focus: (1, 4) directrix: x = -5 D. vertex: (-2, 4) focus: (-5, 4) directrix: x = 1
Find the inverse of the matrix. Round your answers to 3 decimal places.
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What will be an ideal response?
Solve the problem.f(x) = log2(x - 6) and g(x) = log2(2x + 16).Solve f(x) + g(x) = 6.
A. {8} B. {-8} C. {256} D. {-256}