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kap26 [50]
2 years ago
14

F(x)=−7x−1 find x if f(x) = -8

Mathematics
1 answer:
EastWind [94]2 years ago
3 0

Answer:

f(x) =  - 8 \\  \\  - 7x - 1 =  - 8 \\  \\  - 7x =  - 8 + 1 \\  \\  - 7x =  - 7 \\  \\ 7x = 7 \\  \\ x =  \frac{7}{7}  \\  \\ x = 1

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The velocity of a skydiver t seconds after jumping is given by V(t)= 80(1-e^-.2t). After how many seconds is the velocity 120 ft
Ad libitum [116K]

Answer:

∞

Step-by-step explanation:

The equation describes a velocity curve that has an asymptote of 80 ft/s. The skydiver will <em>never</em> have a velocity of 120 ft/s.

6 0
3 years ago
Sheila has five times as many markers as day together they have 18 markers how many markers does Sheila have
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3 years ago
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What is the remainder when (2x3 + x2 – 3x + 4) is divided by x – 2?
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The remainder is  

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Step-by-step explanation:

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8 0
3 years ago
I need help on this question, someone please help!!
Tju [1.3M]

Answer:

y=−x−1/3x−8

Step-by-step explanation:

y=8x−1/3x+1

To find the inverse function, swap x and y, and solve the resulting equation for x.

If the initial function is not one-to-one, then there will be more than one inverse.

So, swap the variables: y=8x−1/3x+1 becomes x=8y−1/3y+1.

Now, solve the equation x=8y−1/3y+1 for y.

y=−x−1/3x−8

Sorry I was in a rush and couldn't do the fractions as formulae. Hope it helped anyways.

7 0
3 years ago
Solve 1/p+1/s=1 for p
jekas [21]

Answer:

Step-by-step explanation:

Multiply through by the L. C. M which is PS.

1/p*ps+1/s*ps=1*ps

P+p=ps

2p=ps

Divide both sides by 2

2p/2=ps/2

P=ps/2

3 0
3 years ago
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