Evaluate the function for x = - 4c if c = - 2. f (x) = - 3x^2-4x

Question

Justin Cordova

Mathematics

28 June, 23:48

Evaluate the function for x = - 4c if c = - 2. f (x) = - 3x^2-4x

+2

Answers (1)

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Callie Cannon · Answer 1

If you would like to evaluate the function f (x) = - 3x^2 - 4x, you can do this using the following steps:

c = - 2

x = - 4c = - 4 * (-2) = 8

f (x) = - 3x^2 - 4x

x = 8

f (8) = - 3 * 8^2 - 4 * 8 = - 3 * 64 - 32 = - 192 - 32 = - 224

The correct result would be - 224.