2 years ago

Find the number of permutations of the first eight letters of the alphabet taking four letters at a time.

1 answer:

3 0

The number of permutations of 8 different things taken 4 at a time is given by:
$8C4=\frac{8!}{(8-4)!}=8\times7\times6\times5=1680$

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katrin2010 [14]

Answer:

C. The area is 900 square feet

Step-by-step explanation:

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7 0

3 years ago

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Find the domain and range of the exponential function h(x) = –343^x. Explain your findings. As x decreases, does h increase or d

Snowcat [4.5K]

Answer:

As x decreases, h increases (but never touches)

As x increases, h decreases (but never touches)

Step-by-step explanation:

If you graphed the exponential, you would be able to see that it is stuck in the 3rd quadrant.

Domain: (negative infinity, 1)

Range: (negative infinity, 0)

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3 years ago

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Komok [63]

The rules of exponents tell you to add exponents in the numerator and subtract those in the denominator. A power of a power causes the exponent to be multiplied.

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