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laiz [17]
3 years ago
9

What type of function is f(x)=2(1/7)^x?

Mathematics
1 answer:
Archy [21]3 years ago
5 0

Answer:

B) Exp. Decay

Step-by-step explanation:

Because the term getting raised to a power is under 1, the function immediately starts going down and approaches negative infinity as x approaches infinity.

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Find the distance travelled in 1 h 40 min at a speed of 90 km/h
Mariulka [41]
90 km/h is your constant.
1h 40m - 1h since we have 90 km/h.
2/3 of 90 is what we need to find for the 40 min, since 40m/60m = 2/3.
60 is 2/3 of 90.
90 + 60 = 150.
Your distance traveled is 150km.
5 0
3 years ago
What is the formula for the following arithmetic sequence? -9 , -2 , 5 , 12
nirvana33 [79]
First term:  -9
Common difference:  7


a(n) = -9 + 7(n-1), for n = {1, 2, 3, ... }

Check:  what is the first term?  let n=1.   Then a(1) = -9 + 7(1-1) = -9.  
This is correct.
7 0
3 years ago
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Suppose y varies inversely with x. Write an equation if y=7 when x=-4
luda_lava [24]

Answer:

y = -28 ÷ x

Step-by-step explanation:

The standard format of a inversely proportional equation goes by the format of y = k ÷ x. The question asks us to write an equation if y = 7 when x = -4 and y varies inversely with x.

So we substitute the values y = 7 and x = -4 in the equation y = k ÷ x

K = constant, we have to work this out

7 = k ÷ -4

7 × - 4 = k

k = - 4 × 7

k = -28

k = -28 So then we put this back into the original y = k ÷ x to find our final equation which is y = -28 ÷ x

3 0
3 years ago
HELP Determine which lines, if any, must be parallel. Check all that apply. HELP WITH THE ENTIRE QUESTION
Law Incorporation [45]

Answer:

a b

m n

the 2nd one

Step-by-step explanation:

4 0
2 years ago
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Which is bigger 6 pints or 60 fluid ounces
Rzqust [24]
6 pints is bigger than 60 fluid ounces 
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3 years ago
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