evaluate f(4) when f(x)= 4x[sqr(3-x)].

Substitute the 4 into the equation

f(4)=4(4)(√3-4)

f(4)=16(√-1)

**ANSWER:**

**f(4)=16i**i is the square root of (-1).

evaluate f(4) when f(x)= 4x[sqr(3-x)].

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Manhattan, KS

Substitute the 4 into the equation

f(4)=4(4)(√3-4)

f(4)=16(√-1)

i is the square root of (-1).

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