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3 years ago

Determine if the following graph is a function

Mathematics

2 answers:

sweet [91]3 years ago

8 0

9514 1404 393

Answer:

yes, it is a function

Step-by-step explanation:

A graph represents a functional relationship if no vertical line intersects the graph in more than one point. A horizontal line passes this "vertical line test," so represents a function.

yuradex [85]3 years ago

3 0

Answer:

Step-by-step explanation:

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Can you please help with #2

Alenkinab [10]

Turn 1 7/8 into 15/8
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60/40 is 1.5

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3 years ago

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gtnhenbr [62]

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3 years ago

Explain how you can how do you rename 5400 as hundreds

umka2103 [35]

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3 years ago

Jamaal bounces on a trampoline. His height, as a function of time, is modeled by y = -6x2 + 20x +4

kykrilka [37]

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Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Write an exponential model given the points ( 7, 12 ) and ( 8, 25 ). Round to the nearest hundredth.

inna [77]

Answer:

The exponential model is $y = 0.07\cdot e^{0.73\cdot x}$ .

Step-by-step explanation:

The exponential model can be modelled by the following mathematical expression:

$y = A\cdot e^{B\cdot x}$ (1)

Where:

$x$ - Independent variable.

$y$ - Dependent variable.

$A, B$ - Coefficients.

If we know that $(x_{1}, y_{1}) = (7,12)$ and $(x_{2}, y_{2}) = (8,25)$ , then we get the following system of equations:

$A\cdot e^{7\cdot B} = 12$ (2)

$A\cdot e^{8\cdot B} = 25$ (3)

If we divide (3) by (2), we calculate the value of $B$ :

$e^{B}=\frac{25}{12}$

$B = \ln \frac{25}{12}$

$B \approx 0.734$

And by (2), we determine the value of $A$ :

$A = 12\cdot e^{-7\cdot B}$

$A = 0.0704$

The exponential model is $y = 0.07\cdot e^{0.73\cdot x}$ .

4 0

3 years ago