4 years ago

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. f/2 + 9 = 4 -9 -9 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.

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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

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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

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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 expressions that represent the distance between the two points (-11 and +7). I hope this helps. Looking forward to help you again.

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4 years ago