Use the Intermediate Value Theorem to determine whether the polynomial function has a real zero between the given integers.f(x) = 8x4 + 2x3+ 9x - 9; between -2 and -1

A. f(-2) = 85 and f(-1) = 12; no
B. f(-2) = -85 and f(-1) = 12; yes
C. f(-2) = -85 and f(-1) = -12; no
D. f(-2) = 85 and f(-1) = -12; yes


Answer: D

Mathematics

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Show that the set is infinite by placing it in a one-to-one correspondence with a proper subset of itself. Be sure to show the pairing of the general terms in the sets.{5, 12, 19, 26, ...}

A.

{5,12,19,26,...,7n + 2,...}
?
{12,19,26,33,...,7n + 5,...}

B.
{5,12,19,26,...,7n - 2,...}
?
{12,19,26,33,...,7n + 5,...}

C.
{5,12,19,26,...,7n - 12,...}
?
{12,19,26,33,...,7n - 5,...}

D.
{5,12,19,26,...,7n - 2,...}
?
{12,19,26,33,...,7n + 4,...}

Mathematics

Add. -92 + 90

A. 182 B. -2 C. 2 D. -182

Mathematics

The Leslie matrix for a population of birds is The population vector for year 1 is

(a) Estimate the population vector for year 2. 20. (b) Estimate the population vector for year 3.

Mathematics

Solve.b - 5 = -6

A. -1  B. 1  C. 11 D. -11 

Mathematics