2 years ago

Evaluate the expression a^2+6ab for a= -2 and b=4

Mathematics

1 answer:

harkovskaia [24]2 years ago

7 0

Substitute the numbers for letter a and b in the equation

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A car is traveling at -40 miles per hour. What will their position be after 3 hours?

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a) Suppose that F is ordered in ascending order: $F = \{x_1,\ldots, x_n\}$ . Then, the complement of F can be written as

$F^c = (-\infty,x_1)\cup (x_1,x_2)\cup (x_2,x_3)\cup \cdots \cup (x_{n-1}, x_{n})\cup (x_n,+\infty)$

which is the union of a finite number of open intervals, then $F^c$ is an open set. Thus, F is a closed subset of the real numbers.

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In case that $k=1$ we only consider $0$ , and if $k=n$ we only consider $0$ .

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