A piecewise function is given. Use the properties of limits to find the indicated limits, or state that the limit does not exist.f(x) =
a.
f(x)
b.
f(x)
c.
-21.0px;" />f(x)
A. a. 1
b. 1
c. does not exist
B. a. -3
b. 4
c. does not exist
C. a. 4
b. -3
c. does not exist
D. a. 1
b. 1
c. 1
Answer: D
Mathematics
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A. (a + 14b)(a - 14b) B. (a + 7b)(a - 7b) C. (a - 7b)2 D. (a + 7b)2
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Collect like terms.m -
n +
m -
n
A. m +
n
B. m -
n -
C. m -
n
D. - m -
n
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Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation. > 0
A. (-4, 2)
B. (2, ?)
C. (-?, -4) or (2, ?)
D. (-?, -4)
Mathematics