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liubo4ka [24]
2 years ago
15

F ( x ) = 5 ( 2 − x ) , what is the value of f ( − 8 )

Mathematics
1 answer:
Pepsi [2]2 years ago
7 0

Answer:

50

Step-by-step explanation:

solved

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Answer:

its b  because i took a test

Step-by-step explanation:

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QUESTION 3 OF S
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Answer:

-2

Step-by-step explanation:

The slope of a line is given by

m = (y2-y1)/(x2-x1)

    = (-3 -5)/(2- -2)

   = -8/(2+2)

   -8/4

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What is the slope of y=-1/3x+4the slope of y=-1/3x+4
charle [14.2K]

Answer:

-1/3

Step-by-step explanation:

y=mx+b where m=slope and b=y-intercept

8 0
3 years ago
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sergey [27]
Yes 4/4= 1 whole hope this helps
8 0
3 years ago
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He determines that 6 is an extraneous solution because the difference of the numerators is 6, so the 6s cancel to 0. which best
seropon [69]

The question is incomplete. Completed question is given below the answer.

His solution for x is correct, but in order for 6 to be an extraneous solution, one denominator has to result in 0 when 6 is substituted for x.

Given  

Then the solution follows thus:

Step 1: 8(x – 4) = 2(x + 2)

Step 2: 4(x – 4) = (x + 2)

Step 3: 4x – 16 = x + 2

Step 4: 3x = 18

Step 5: x = 6

It can be seen that his solution is correct. But 6 is not an extraneous solution.

An extraneous solution is a solution to an equation that emerges from the process of solving the problem but is not a valid solution to the original problem.

When 6 is substituted into the original equation, the original equation holds.

Therefore, his solution for x is correct, but in order for 6 to be an extraneous solution, one denominator has to result in 0 when 6 is substituted for x.

Learn more about extraneous solution here: brainly.com/question/3751209

#SPJ4

Completed question:-

A student solves the following equation for all possible values of x:His solution is as follows:

Step 1: 8(x – 4) = 2(x + 2)

Step 2: 4(x – 4) = (x + 2)

Step 3: 4x – 16 = x + 2

Step 4: 3x = 18

Step 5: x = 6

He determines that 6 is an extraneous solution because the difference of the numerators is 6, so the 6s cancel to 0.

Which best describes the reasonableness of the student’s solution?

His solution for x is correct and his explanation of the extraneous solution is reasonable.

His solution for x is correct, but in order for 6 to be an extraneous solution, both denominators have to result in 0 when 6 is substituted for x.

His solution for x is correct, but in order for 6 to be an extraneous solution, one denominator has to result in 0 when 6 is substituted for x.

His solution for x is incorrect. When solved correctly, there are no extraneous solutions.

5 0
2 years ago
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