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2 years ago

) f(x) = 4x + 5, g(x) = 2/x; Find (g • f)(3).

Mathematics

2 answers:

Soloha48 [4]2 years ago

8 0

Answer:

The answer is 2/17

Step-by-step explanation: Can I get brainliest again my answer was deletedee

djyliett [7]2 years ago

3 0

$\text{Given that,}\\\\f(x) = 4x+5,~~~g(x) = \dfrac 2x\\\\\\f(3) = 4(3) +5 = 12 +5 = 17\\\\\\(g\circ f)(3)=g(f(3))=g(17)=\dfrac 2{17}$

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Oxana [17]

Answer:

Red = 10 cm, blue = 14 cm

Step-by-step explanation:

Let the length of each red rod be r and each blue rod be b

Then we have:

3r - 2b = 2
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Multiply the first equation by 3 and the second one by 2:

9r - 6b = 6
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Add the equations to eliminate one of variables:

9r - 8r = 6 + 4
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3*10 -2b = 2
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3 years ago

The graph shows two lines, A and B.

scoundrel [369]

Answer:

second option: (4, 4) is the solution to both lines A and B.

Step-by-step explanation:

You know that the equation of line A is:

$y=-3x+15$

and the equation of line B is:

$y=\frac{1}{2}x+2$

The point in which the line A intersects with the line B is the solution of the sytstem of equations.

You can observe in given graph that the point of intersection of Line A and Line B is: (4,4)

Therefore (4, 4) is the solution to both lines A and B.

8 0

3 years ago

Read 2 more answers

In the function y=5x^2-2, what effect does the number 5 have on the graph, as compared to the graph of y=x^2?

allochka39001 [22]

General Idea:

The Rules for Transformations of Functions are given below:

If f(x) is the original function, a > 0 and c > 0; Then

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Applying the concept:

In the function y=5x^2-2, the effect that the number 5 have on the graph, as compared to the graph of y=x^2 is given below:

C.it stretches the graph vertically by a factor of 5

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3 years ago

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topjm [15]

Answer:

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Step-by-step explanation:

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3 years ago

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Vesna [10]

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3 years ago