Use the TABLE feature of a graphing utility to find the limit. 
A. 1
B. -1
C. 0
D. does not exist
Answer: C
Mathematics
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Evaluate the expression.(g ? f)(-9) when f(x) = 
and g(x) = 4x + 5.
A. - 
B. -7
C. 93
D. -27
Mathematics
Divide using synthetic division.
A. x3 - 2x2 + x + 6 + 
B. x3 - 2x2 + x + 4 + 
C. x3 - 2x2 - x + 4 - 
D. x3 + 2x2 - x + 6 - 
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
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+] = 5.2 × 10-4.
A. 4.28 B. 4.72 C. 3.28 D. 3.72
Mathematics