Find the domain of the function.f(x) = 
A. (-?, 1) ? (1, ?)
B. (-?, -1) ? (-1, 1) ? (1, ?)
C. (-?, ?)
D. (1, ?)
Answer: C
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The hydrogen ion concentration of a solution is 2.5 × 10-6 mol/L [H+]. What is the pH of this solution?
A. -6 B. 5.6 C. 2.5 D. 6
Graph the rational function.f(x) = 
A. 
B. 
C. 
D. 
Provide an appropriate response.Select a decimal percent with two digits and write it as a fraction. Select a fraction with a two-digit denominator and write it as a percent. Explain each step of your work.
What will be an ideal response?
Find all real zeros of the polynomial 
and determine the multiplicity of each.
A. x = 49, multiplicity 2; x = 64, multiplicity 2 B. x = 7, multiplicity 2; x = 8, multiplicity 2 C. x = 49, multiplicity 2; x = 8, multiplicity 1 D. x = -7, multiplicity 2; x = -8, multiplicity 2 E. x = 7, multiplicity 1; x = -7, multiplicity 1; x = 8, multiplicity 1; x = -8, multiplicity 1