Find the largest open interval where the function is changing as requested.Increasing f(x) = x2 - 2x + 1
A. (0, ?)
B. (-?, 1)
C. (1, ?)
D. (-?, 0)
Answer: C
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Write the series using summation notation.1 + +
+
+
A. )
B.
C. )
D. )
Sketch the logarithmic function.f(x) = log4 (x + 1) + 1
A.
B.
C.
D.
Solve the problem.In how many ways can 2 people each have different birth months?
A. 144 B. 132 C. 66 D. 24
Solve the problem.When a radioactive substance decays, the number N of grams remaining from an initial mass N0 (in grams) is given by where n is the number of half-lives for which the substance has decayed. Given that the half-life for tritium is 15 years, find the rate in (grams/half-life) at which a 91-gram initial mass of radioactive tritium decays after 48 years.
A. -9.9 g/half-life B. -6.86 g/half-life C. -3.62 g/half-life D. -63.07 g/half-life