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Anton [14]
4 years ago
9

Write the exponential function f(x)=-4•2^(1-x) in the form f(x)=ab^x

Mathematics
1 answer:
Lerok [7]4 years ago
3 0
-4(2^(1-x)) = -4(2¹ x 2^-x) = -4(2 x ½^x) = -8 (-2)^x therefore the last option
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Please help if you could. <br><br> f/2 + 9 = 4<br> -9 -9<br> f/2 =
dmitriy555 [2]

Answer:

\frac{f}{2} +9=4

Subtract 9 from both sides:

\frac{f}{2}+9-9=4-9

\frac{f}{2} =-5

Multiply both sides by 2:

2*\frac{f}{2} =-5*2

f=-10

8 0
3 years ago
Charlie run at a speed of 3 yards per second about how many miles per hour does Charlie run
Westkost [7]
If Charlie runs 3 yards per second and there are 3600 seconds in an hour, then he runs

3 * 3600 = 10800 yards per hour.

There are also 1760 yards in one mile, so we need to divide 10800 by 1760 to find out how many miles it is:

10800 ÷ 1760 =
= 6,136363636363636

I think we should round it:

6,136363636363636 ≈ 6,1

Answer: Charlie runs with a speed of about 6,1 miles per hour.


6 0
3 years ago
105.6 L/h = ___ L/min?
Drupady [299]
(\frac{105.6\ L}{hour})(\frac{1\ hour}{60\ minutes})

The hours cancel out and you divide 105.6 by 60 to get 

1.76 L/min
5 0
3 years ago
How long will it take $5,000 to double in an account that pays 5.6% simple interest
Drupady [299]
The answer it should be: 28,000
3 0
4 years ago
Which expressions represent the distance between the two points?
DerKrebs [107]
For the given question above, options A, C and D are the correct <span>expressions that represent the distance between the two points (-11 and +7). I hope this helps. Looking forward to help you again.
</span>
3 0
4 years ago
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