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Given the linear function f(x) = −3x + 6, what is the value of x if f(x) = 15?
a. X= -39
b. X= -7
c. X= -3
d. X= 51

Sagot :

Abidemiokinidn

The value of x if f(x) = 15 is -3

Linear function

A linear function is a function that has a leading degree of 1. Given the expression;

f(x) = −3x + 6

Substitute the given f(x) into the function to have:

15 = −3x + 6,

Collect the like terms

3x = 6 - 15

3x = -9

Divide both sides by 3

3x/3 = -9/3

x = -3

Hence the value of x if f(x) = 15 is -3

Learn more on linear function here: https://brainly.com/question/4025726

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