Perform the indicated operations. Subtract -2 + 6x4 + 4x5 + 8x3 + 8x from the sum of -2x3 + 8x - 8 and 8x5 - 8x4.
A. 4x5 - 2x4 + 6x3 - 10
B. 12x5 - 2x4 + 6x3 - 10
C. 12x5 - 2x4 + 6x3 - 6
D. 4x5 - 14x4 - 10x3 - 6
Answer: D
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Use a calculator to find a graphical solution to the equation. Express results to the nearest thousandth.x2 - 9x = 3
A. 13.822, 13.822 B. 8.653, 0.347 C. 9.322, -0.322 D. 0.322, -9.322
Determine whether the indicated ordered pair lies on the graph of the given equation.y = 8x2 + 1, (-1, -7)
A. Yes B. No
Determine the order of the matrix.
A. 2 × 3 B. 2 × 4 C. 3 × 2 D. 4 × 2
Solve the problem.In a 1-mile race, the winner crosses the finish line 11 feet ahead of the second-place runner and 27 feet ahead of the third-place runner. Assuming that each runner maintains a constant speed throughout the race, by how many feet does the second-place runner beat the third-place runner? (5280 feet in 1 mile.)
A. 5.01 ft B. -11.06 ft C. 16.03 ft D. -16.08 ft