3 years ago

Which of the following is not a function?

Mathematics

1 answer:

Sergio039 [100]3 years ago

4 0

The correct answer is b

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What is the slope of the line that goes through the points (12,-18) (-15,-18)

AnnZ [28]

Hi!

Step-by-step explanation:

$SLOPE=\frac{Y_2-Y_1}{X_2-X_1}=\frac{RISE}{RUN}$

$\frac{(-18)-(-18)}{(-15)-12}=\frac{0}{-27}=0$

Slope is 0.

The answer is 0.

Hope this helps!

Have a nice day! :)

-Charlie

Thank you!

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3 years ago

Write 9/7 as a mixed number. Give your answer in its simplest form.

HACTEHA [7]

Answer:

1 2/7 ........................................

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Identify the middle line for the function.

Ierofanga [76]

The solution to the problem is as follows:

'(t) = 0 gives:

-24t + 60 = 0

t = 2.5

For this t, the second derivative s"(t) = -24 is negative.

And so, s(t) is maximum for t = 2.5.

Maximum height is:

S = -12(2.5)^2 + 60(2.5) +8 = 233ft

I hope my answer has come to your help. God bless and have a nice day ahead!

7 0

3 years ago

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a country's population in 1994 was 52 million in 2000 it was 55 million estimate the population in 2003

atroni [7]

[email protected] = 52,000,000
[email protected] = 55,000,000
[email protected] = ?
r = ?

Equation: P = Po * e^(rt)
-----
Solve r:
P/Po = e^(rt)

ln(P/Po) = rt
r = ln(P/Po)/t
r = ln([email protected]/[email protected])/(2000-1994)
r = ln(55M/52M)/6
r = 0.009348

----
Solve for [email protected]
t = 2003 - 1994 = 9

[email protected] = [email protected] * e^(rt)
[email protected] = 52M * e^(0.009348*9)
[email protected] = 56,564,292.9

approximately 57M.

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3 years ago

Help me

inna [77]

Answer:

1. DE, ED, EF, DF, l

2. D and F

3. collinear

6 0

3 years ago