Consider the Following Three Functions

question 40

Multiple Choice

Consider the following three functions:
g(x, y) = 4x - 3y + 21
H(x, y, z) = 13x² + y + 3z
I(z) = z
Which of the following is true regarding the linearity of the functions?

• A)none of the functions is linear
• B)all three functions are linear
• C)h is linear, but g and i are not linear
• D)i is linear, but g and h are not linear
• E)g and i are linear, but h is not linear

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