Determine whether the given number is a zero of the polynomial function.P(x) = -x4 + 2x2 + 4x + 3; -1
A. No
B. Yes
Answer: B
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Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = (x2 + y2)i + (x - y)j; C is the rectangle with vertices at (0, 0), (2, 0), (2, 3), and 
A. 24 B. -12 C. 12 D. 0
Answer the problem with a sentence containing the requested measurement.A pebble on the beach weighs 191 decigrams. Express this number in milligrams.
A. A pebble on the beach weighs 1910 milligrams. B. A pebble on the beach weighs 19,100 milligrams. C. A pebble on the beach weighs 1.91 milligrams. D. A pebble on the beach weighs 19.1 milligrams.
Write the decimal as a fraction or mixed number in lowest terms.0.984
A. 
B. 
C. 
D. 
Solve the problem.The pH of a chemical solution is given by the formula pH = -log10[H+] where [H+] is the concentration of hydrogen ions in moles per liter. Find the pH if the [H+] = 4.7 × 10-12.
A. 12.33 B. 11.67 C. 11.33 D. 12.67