The numeric value of f(x) = 6x + 12 at x = x + a is given by:
f(x + a) = 6(x + a) + 12.
To find the numeric value of a function, we replace each instance of the variable by the desired value.
In this problem, the function is given by:
f(x) = 6x + 12.
We want the numeric value at x = x + a, hence each instance of x is replaced by x + a, as follows:
f(x + a) = 6(x + a) + 12.
More can be learned about the numeric value of a function at https://brainly.com/question/14556096
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