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Troyanec [42]
3 years ago
12

For the function f(x) = |2x-7| - 3 find f(2)

Mathematics
2 answers:
olasank [31]3 years ago
8 0
Evaluate abs(2 x - 7) - 3 where x = 2:abs(2 x - 7) - 3 = abs(2 2 - 7) - 3
2×2 = 4:abs(4 - 7) - 3
4 - 7 = -3:abs(-3) - 3
Since -3<=0, then abs(-3) = 3:3 - 3
3 - 3 = 0:Answer: 0
Grace [21]3 years ago
6 0
F(x)=[2x-7] -3
f(2)=[2(2)-7]-3
f(2)=[4-7]-3
f(2)=[-3]-3
f(2)= 3 -3  Remember absolute value is the distance from zero. No number will ever have a negative absolute value! :)
f(2)= 0 

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The location of R on the number line will be 15/7.

Number line:

Number line is used for the visual representation of numbers on a straight line.

Basically, Zero (0) is considered to be the origin of a number line. The numbers to the left of 0 are negative numbers and the numbers to the right of 0 are all positive numbers.

Given,

On a number line,

point S is located at – 3 and

point T is located at 9.

Ratio of S and T = 3:4

We need to find the location of point R on S and T.

According to the given details,

The distance from S to T

=> 3 + 9 = 12

Through this we know that,

=> SR + RT = 12 ---------------------(1)

Based on the ratio,

S/T = 3/4

Which is similar to,

SR/RT = 3/4

So,

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Apply the value of SR on equation (1),

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Now the location of point R,

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=> 15/7

Hence "The location of R on the number line will be 15/7".

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brainly.com/question/13425491

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