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mars1129 [50]
3 years ago
7

Let f(x)=3x2−5x+13 and g(x)=2x−7 . What is g(f(x)) ?

Mathematics
1 answer:
grigory [225]3 years ago
7 0

Option B: 6x^2-10x+19 is the correct answer

Step-by-step explanation:

Given functions are:

f(x) = 3x^2-5x+13\\g(x) = 2x-7

We have to find g(f(x))

So,

g(f(x)) = 2(f(x))-7\\= 2(3x^2-5x+13)-7\\=6x^2-10x+26-7\\= 6x^2-10x+19

Hence,

Option B: 6x^2-10x+19 is the correct answer

Keywords: Functions, Composition

Learn more about functions at:

  • brainly.com/question/5500978
  • brainly.com/question/550017

#LearnwithBrainly

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Which of the following points would be on the graph of the equation: y=-4x+6
lawyer [7]

Answer:

Option 2: (10, -34)

Step-by-step explanation:

Given the linear equation in slope-intercept form, y = -4x + 6, where the <u>slope</u>, <em>m</em> = -4, and the <u>y-intercept</u>, <em>b</em> = 6:

An easier way of finding out which of the given options is a solution is to substitute their values into the equation to see whether they will provide a true statement.

<h3>Option 1: (-10, 34)</h3>

Substitute x = -10, and y = 34 into the equation.

y = -4x + 6

34 = -4(-10) + 6

34 = 40 + 6

34 = 46 (False statement). Hence, Option 1 is not a solution to the given equation.

<h3>Option 2: (10, -34)</h3>

Substitute x = 10, and y = -34 into the equation.

y = -4x + 6

-34 = -4(10) + 6

-34 = -40 + 6

-34 = -34  (True statement). Hence, Option 2 is a solution to the given equation.

<h3>Option 3: (5, 10)</h3>

Substitute x = 5, and y = 10 into the equation.

y = -4x + 6

10 = -4(5) + 6

10 = -20 + 6

10 = -14  (False statement). Hence, Option 3 is not a solution to the given equation.

<h3>Option 4: (-5, 10)</h3>

Substitute x = -5, and y = 10 into the equation.

y = -4x + 6

10 = -4(-5) + 6

10 = 20 + 6

10 = 26  (False statement). Hence, Option 4 is not a solution to the given equation.

Therefore, the correct answer is Option 2: (10, -34).

7 0
2 years ago
A cylinder has a height of 9 meters and a radius of 14 meters. What is its volume? Use n
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Answer:

5,541.77

Step-by-step explanation:

V= πr2h

π · 142 · 9 ≈ 5541.76944

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Answer:

angle A = 45°

angle B = 110°

angle C = 25°

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2 years ago
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Please help also its a one answer question!!
KIM [24]

Answer:

I'm not sure if I'm right but my best answer is C

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During an eight-hour shift, the proportion of time y that a sheetmetal stamping machine is down for maintenance or repairs has a
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Check the attached file for the solution.

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