Geometric Sequences — Cumulative exam Answers
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What are the vertical and horizontal asymptotes for the function ?
A
vertical asymptote: x = 1horizontal asymptote: noneB
vertical asymptote: x = 1horizontal asymptote: y = 0C
vertical asymptote: x = –2, x = 3horizontal asymptote: y = 0D
vertical asymptote: x = –2, x = –3horizontal asymptote: none22
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One brand of vinegar has a pH of 4.5. Another brand has a pH of 5.0. The equation for the pH of a substance is pH = –log[H+], where H+ is the concentration of hydrogen ions. What is the approximate difference in the concentration of hydrogen ions between the two brands of vinegar?
A
Option
B
Option
C
Option
D
Option
23
Which graph represents ?
A
On a coordinate plane, a cubic function has an inflection point at (0, negative 2).
B
On a coordinate plane, a cubic function has an inflection point at (negative 2, 0)
C
On a coordinate plane, a cubic function has an inflection point at (0, 2).
D
On a coordinate plane, a cubic function has an inflection point at (2, 0).
24
Which statement best describes the equation x5 + x3 – 14 = 0?
A
The equation is quadratic in form because it is a fifth-degree polynomial.B
The equation is quadratic in form because the difference of the exponent of the lead term and the exponent of the middle term is 2.C
The equation is not quadratic in form because it cannot be rewritten as a second-degree polynomial.D
The equation is not quadratic in form because the exponent of the lead term is not the square of the exponent of the middle term.25
Identify the equation that translates five units down.
A
y = l n (x minus 5)
B
y = l n (x) + 5
C
y = l n (x + 5)
D
y = l n (x) minus 5
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