Identify intervals on which the function is increasing, decreasing, or constant: f(x) = |x + 2| + |x - 6|
Semester 1 Review PreAP - Part 1

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Mathematics
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11th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
Increasing on (6, ∞); decreasing on (-∞, -2); constant on (−2, 6)
2.
FLASHCARD QUESTION
Front
Find the sum of \( \sum_{n=1}^{44}(0.6n - 0.9) \)
Back
554.4
3.
FLASHCARD QUESTION
Front
Solve for x: 7^x - 13 = 2222
Back
x = 3.963
4.
FLASHCARD QUESTION
Front
Find the vertical asymptote(s) of: f(x) = \( \frac{x+4}{x^2+5x} \)
Back
x = -5 , x = 0
5.
FLASHCARD QUESTION
Front
Find the zero(s) of f(x) = \( \log_b(5x^2 - 179) \)
Back
x = -6; x = 6
6.
FLASHCARD QUESTION
Front
Definition of a vertical asymptote
Back
A vertical asymptote is a line x = a where a function approaches infinity or negative infinity as x approaches a.
7.
FLASHCARD QUESTION
Front
Definition of increasing function
Back
A function f(x) is increasing on an interval if for any two points x1 and x2 in the interval, if x1 < x2 then f(x1) < f(x2).
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