Write the number in standard form.5.247 × 10-6
A. 0.000005247
B. 0.00005247
C. -5,247,000
D. 0.0000005247
Answer: A
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Use U = universal set = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {1, 2, 3, 5, 8}, B = {2, 3, 5, 7}, and C = {1, 4, 9} to find the set.
A. {0, 1, 4, 6, 8, 9} B. {1, 4, 6, 8, 9} C. {0, 1, 4, 6, 9} D. {0, 1, 4, 6, 7, 8, 9}
Graph the function. State whether it is increasing, decreasing, or constant..f(x) = 2x + 4
A. increasing
B. decreasing
C. increasing
D. increasing
Use the Gauss-Jordan method to solve the system of equations.x - y + z = -7x + y + z = 3x + y - z = -3
A. (3, -5, 5) B. (-5, 5, 3) C. (-5, 3, 5) D. No solution
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.x4 + 5x2 - 36
A. (x - 2)2(x2 + 9) B. (x + 2)(x - 2)(x + 3)(x - 3) C. (x + 2)(x - 2)(x2 + 9) D. (x2 - 4)(x2 + 9)