Question: State whether the function is linear or quadratic. a. f (x) = 4 - 5x b. f (x) = 4 - 5x2 c. f (x)

State whether the function is linear or quadratic.
a. f (x) = 4 - 5x
b. f (x) = 4 - 5x2
c. f (x) = 7x2
d. f (x) = 23x + 6

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