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Marizza181 [45]
3 years ago
12

Which of the following functions represent exponential decay?

Mathematics
1 answer:
balu736 [363]3 years ago
4 0

You have exponential decay if the base is a between 0 and 1 and the exponent grows as x grows, or if the base is greater than 1 and the exponents goes to negative infinity as x grows.

The only function that satisfied these requests is the second one: 1/2 is between 0 and 1, and the exponent is x itself.

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Which of these numbers is irrational<br><br> (The demontar on the last fraction is 3 BTW)
nataly862011 [7]

An irrational number can be written as a decimal, but not as a fraction. An irrational number has endless non-repeating digits to the right of the decimal point. The answer is A. Please mark brainliest

3 0
4 years ago
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What is the range of the function f(x) = |x| – 3?
Alla [95]
The range would be [-3, infinity)
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7 0
3 years ago
What is x in rx+h=sx-k
julia-pushkina [17]

Answer:

-k-h/r-s

When solving the goal is to get x on one side and not x on the other.

rx + h = sx - k

rx - sx + h = -k                   <------- subtract sx from both sides

rx - sx = -k - h                   <-------subtract h from both sides

x (r - s) = -k -h                   <------factor out x which is in both rx and sx

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6 0
3 years ago
Help .<br> i need help with something like this
In-s [12.5K]

The width of a book is 1.5 inches.

The total width of 79 books is 1.5×79

= 118.5 inches.

The cost of a 34.5 inch wide shelf is $12.95

Therefore, the cost of a 118.5 inch wide shelf will be:

(Let the cost of the 118.5 inch wide shelf be x)

\frac{34.5}{12.95}  =  \frac{118.5}{x}  \\ cross \: multipy \\ 34.5x = 118.5 \times 12.95 \\ x =  \frac{118.5 \times 12.95}{34.5}  \\ x = 44.48

x= $44.48

5 0
2 years ago
5.
umka21 [38]

Answer:

a

Step-by-step explanation:

-12 is in the correct position, (x,y)

7 0
3 years ago
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