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3 years ago

9

Explain how to use a graph of the function f(x) to find f(3).

2 answers:

Lady bird [3.3K]3 years ago

4 0

Look at the graph at which x=3, then look and see what value y is and that will give you f(3).

Kitty [74]3 years ago

4 0

Answer:

For f(3), the input is 3 and you are looking for the output. To determine the function's value when x = 3, go to the value of 3 on the x-axis and then locate the graph for that value of x. Determine the value of y from the y-axis at that location on the graph.

Step-by-step explanation:

up there

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A group of hikers walked 2 1/4 km in 3/4 hour. c On a coordinate plane, plot the four points showing distance hikers went in ¾ o

maw [93]

Answer:

Given,

The total distance = $2\frac{1}{4}$ km,

Time = $\frac{3}{4}$ hours,

Since,

$Speed =\frac{Distance}{Time}$

Thus, the speed of the group of hikers = $\frac{2\frac{1}{4}}{\frac{3}{4}}$

$=\frac{\frac{9}{4}}{\frac{3}{4}}$

= 3 km per hour,

Now, Distance = speed × time

Let y be the distance( in km ) covered in x hours

⇒ y = 3x

If x = $\frac{3}{4}$

$y=3\times \frac{3}{4}=\frac{9}{4}$

If x = 2

$y=3\times 2=6$

If x =3

$y=3\times 3 = 9$

If x = 4

$y=3\times 4=12$

Hence, the required points in the coordinate plane are, ( shown in the below diagram )

(3/4, 9/4), (2, 6), (3, 9) and (4, 12)

3 0

3 years ago

AysviL [449]

Answer:

I think a b c and d but I really dont know what you are asking

8 0

3 years ago

Graph the equation y = 4x -2.

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I have attached the graph

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3 years ago

Ms. Gonzalez borrowed $4,500 from her bank to buy a jet ski. The loan has an 8.5% annual simple interest rate. If it takes Ms. G

Komok [63]

Answer:

765

Step-by-step explanation:

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3 years ago

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irinina [24]

Answer:

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Step-by-step explanation:

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3 years ago