Solve. The polynomial -0.3t2 + 12t describes the average number of digits that participants in a memorization experiment were able to recall after t minutes. Find the average number of digits recalled after 9 minutes. Round your answer to the nearest digit.
A. 104 digits
B. 84 digits
C. 124 digits
D. 64 digits
Answer: B
Mathematics
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A. (-3, 9) B. (-3, -7) C. (-3, -27) D. (-3, -19)
Mathematics
Give the coordinates of the vertex and graph the equation in a window that includes the vertex.y = - 0.2x2 - 14x + 6
A. Vertex: (35, 251)
B. Vertex: (-17.5, 67.25)
C. Vertex: (17.5, 67.25)
D. Vertex: (-35, 251)
Mathematics
Find the zeros of the quadratic function using the Square Root Method. List the x-intercepts of the graph of the function.f(x) = x2 - 64
A. x = 8 B. x = -4096, x = 4096 C. x = -8, x = 8 D. x = -8
Mathematics
Find the greatest common factor.15m4, 135m9, 225m5
A. 135m4 B. 15m5 C. 2025m5 D. 15m4
Mathematics