which function rules below gives 9 when f(3) is substitute to x or the domain of the function.
a. f(x) = x² - 1
b. f(x) = 4x - 3
c. f(x) = x² + 2​


Sagot :

Answer:

B. f(x) = 4x - 3

Step-by-step explanation:

f(3) = 4(3) - 3

= 12 - 3

= 9

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