Answer for <em>f(-12) = 240 </em>for function <em>f(x) = -21x -12 </em>
Step-by-step explanation:
Theory: f(x) is the" Function " and defined as a relation between the set of input values and a respective set of output values. set of input values is term as " Domain " and a respective set of output values is term as " Range "
In given question, f(x) = -21x -12
Note: Question didn't mention the domain so that, we can take it as Real numbers.