The answer is D
Let x = -2
f(-2) = 8 - 4(-2)
f(-2) = 8 + 8
f(-2) = 16
D is the answer.
If f(-2)=16 which could be the equation for f(x) f(x)=8-4x will yield f(-2)=16
A function in mathematics from a set X to a set Y allocates exactly one element of Y to each element of X. The sets X and Y are collectively referred to as the function's domain and codomain, respectively. Initially, functions represented the idealized relationship between two changing quantities.
Given
Let x = -2
f(-2) = 8 - 4(-2)
f(-2) = 8 + 8
f(-2) = 16
therefore, f(x)=8-4x will yield f(-2)=16
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