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2 years ago

Given the function f(x) = 2x, evaluate f (3).

Mathematics

2 answers:

umka21 [38]2 years ago

5 0

When f(3)

Then we have:

3=2x

Now we divide by 2 (on both sides)

and are left with

x = 1.5

Hope this helps :)

Vsevolod [243]2 years ago

4 0

Answer:

Step-by-step explanation:

Given that f(3), x=3.

Since f(x) = 2x, we plug in 3 for x, and get 2 times 3. Therefore, the answer comes out to 6.

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madreJ [45]

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2 years ago

What are the solutions to the system of equations? y=− x 2 +5x+6 −6x+y=6

Komok [63]

Answer:

option B

(−1, 0) and (0, 6)

Step-by-step explanation:

Given in the question two equations,

Equation 1

y =−x² + 5x + 6

Equation 2

−6x + y = 6

plug value of y in second equation

−6x −x² + 5x + 6 = 6

-x² -6x + 5x +6 - 6 = 0

-x² - x + 0 = 0

-x² -x = 0

-x(x+1) = 0

x = 0

and

x = -1

plug value of x in second equation to find y

x = 0

−6(0) + y = 6

0 + y = 6

y = 6

and

x = -1

−6(-1) + y = 6

6 + y = 6

y = 0

8 0

2 years ago

Read 2 more answers

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Zolol [24]

$\\ \sf\longmapsto x+40=90$ (Complementary)

$\\ \sf\longmapsto x=90-40$

$\\ \sf\longmapsto x=50$

Now

$\\ \sf\longmapsto y+40=180$

$\\ \sf\longmapsto y=180-40$

$\\ \sf\longmapsto y=140$

Now

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2 years ago

A certain spinner has equally sized slices. The probability of landing on a green slice is 1/4. What are the odds in favor of la

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2 years ago

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azamat

Answer: 5x^2 + 3x + 1

Step-by-step explanation:

1.) Put the two equations together into an addition problem.

3x^2 + 4x + 2x^2 - x + 1

2.) Combine like terms.

3x^2 + 2x^2 = 5x^2

4x - x = 3x

1 = 1

3.) Order the like terms together.

5x^2 + 3x + 1

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2 years ago