Use substitution to determine whether the given number is a zero of the given polynomial.1; f(x) = 2x3 - 5x2 + x + 2
A. Yes
B. No
Answer: A
Mathematics
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Solve the problem.The hydrogen ion concentration of a substance is about 6.1 × 10-12 moles per liter. Find the pH. Round to the nearest tenth. Use the formula pH = -log [H+].
A. 11.2 B. 12.8 C. 11.6 D. -12.8
Mathematics
Match the situation to the graph that models it best. The x-axis represents time.Total amount of water in a bathtub if the water flows at a constant rate
A. 
B. 
C. 
D. 
Mathematics
List the first n terms of the geometric sequence satisfying the given conditions.a1 = 3, r = -7, n = 4
A. 3, -21, -147, -1029 B. 3, -21, 63, -189 C. 3, -21, -63, -189 D. 3, -21, 147, -1029
Mathematics
Sketch the graph of the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics