The graph of y = f(x) is given. Use the graph to find the function value.
Find f(4).
A. 4
B. 15
C. None of these
D. -1
Answer: B
Mathematics
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Use properties for rational number operations to solve the equation.x - =
A.
B. 1
C. 3
D.
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Write an equation of the line.
A. y = 9x B. x = 9 C. y = x + 9 D. y = 9
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Solve the problem.A freight train leaves a station traveling at 32 km/h. Two hours later, a passenger train leaves the same station traveling in the same direction at 52 km/h. How long does it takes the passenger train to catch up to the freight train?
A. 3.2 hr B. 2.2 hr C. 4.2 hr D. 5.2 hr
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Use the discriminant to determine whether the graph of the equation is an ellipse (or circle), a hyperbola, or a parabola.8x2 - 4xy + 4y2 - 20 = 0
A. Parabola B. Ellipse or circle C. Hyperbola
Mathematics