Respuesta :

The correct answer is  f, g, and h only.

What is variable ?

  • In Math, a variable is an alphabet or term that represents an unknown number or unknown value or unknown quantity.
  • The variables are specially used in the case of algebraic expression or algebra.
  • For example, x+9=4 is a linear equation where x is a variable, where 9 and 4 are constants.

Given,

          expression f + 2g + h/4 - 7

So, in this expression g, f and h are variables.

We can see that in our given expression g, f and h are unknown, therefore, these are variables for our given expression.

Learn more about variables expression

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The correct question is -

What are the variables in this expression?

f + 2g + h/4 - 7

A) f and g only

B) g and h only

C) f, g, and -7 only

D) f, g, and h only

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