2 years ago

Given f(x) = 3x+7, what is the output? *

Mathematics

2 answers:

quester [9]2 years ago

4 0

Answer:

A line with gradient 3 going through coordinates (0,7) and ( - 3/7, 0)

sergij07 [2.7K]2 years ago

3 0

Answer:

the answer to this problem would be 8.

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7y = -14x +28
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Anna71 [15]

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bazaltina [42]

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1 year ago

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Julissa is running a 10-kilometer race at a constant pace. After running for 18 minutes, she completes 2 kilometers. After runni

iren [92.7K]

Answer:

The required equation $k-2=\dfrac{1}{9}(t-18)$

C should be correct.

Step-by-step explanation:

Given: Julissa is running a 10-kilometer race at a constant pace.

After running for 18 minutes, she completes 2 kilometers.

First point: (18,2)

After running for 54 minutes, she completes 6 kilometers.

Second Point: (54,6)

We need to write an equation letting t, the time in minutes, represent the independent variable and k, the number of kilometers, represent the dependent variable

Using two point formula to find the equation of line

Formula:

$y-y_1=\dfrac{y_2-y_1}{x_2-x_1}(x-x_1)$

Required Equation:

$k-2=\dfrac{6-2}{54-18}(t-18)$

$k-2=\dfrac{4}{36}(t-18)$

$k-2=\dfrac{1}{9}(t-18)$

Hence, The required equation $k-2=\dfrac{1}{9}(t-18)$

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2 years ago

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