F(x)=4x-9? when the value is f(-3)

The value of f(-3) is -21.

Given that,

Function; f(x) = 4x-9,

We have to determine,

The value of  f(-3).

According to the question,

Function; f(x) = 4x-9,

To find the value of f(-3) calculation must be done in a single unit following all the steps given below.

To find the value of f(-3), substitute x = -3 in the given function,

Hence, The required value of f(-3) is -21.

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answer: idk

step-by-step explanation: sry idk

answer:   b

step-by-step explanation:

x2 = 16

x can not be a negative number because 16 is positive

the only answer would be positive 8