The right answer is A. In the provided expression, 9 + 4(x+2) - 3x, "3" is denoted by the term coefficient.
Coefficient is the best term to describe "3" in the given expression since coefficient is a number multiplied by a variable. here we can see that 3 as a coefficient that is multiplied by a variable which is x here.
"3" cant be expressed as an exponent as it is the power of a variable or power of a numeral. ex- In x³, "3" is exponent which is not the case with expression given to us.
"3" cant be a variable either because a variable has different values.
"3" cannot be expressed as a constant also since 3x is a complete term in the expression. Had it been only 3 we could have consider it as a constant. in this expression "9" is a constant term.
Therefore the term that describes "3" in given expression is a coefficient. Hence option A is correct.
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