3 years ago

5.05 3DFigures

Mathematics

2 answers:

Sergio039 [100]3 years ago

7 0

Answer:

Volume: 864 Square inches.

lana66690 [7]3 years ago

6 0

Answer:

864 Square inches.

hope this helps!!

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Let f(x) = 13 - |2x+ 1|. Find all x for which f(x) less than or equal to 14

Art [367]

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$x \leqslant -1\: or \: x \geqslant - 1$

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The given function is

$f(x) = 13 - |2x + 1|$

We want to find all values of x for which:

f(x) is greater than or equal to 14.

This implies;

$13 - |2x + 1| \geqslant 14$

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$- |2x + 1| \geqslant 14 - 13$

$|2x + 1| \geqslant - 1$

By definition of the absolute value function,

$- (2x + 1) \geqslant - 1 \: or \: (2x + 1) \geqslant - 1$

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$2x \leqslant -2 \: or \: 2x \geqslant - 2$

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