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3 years ago

For the function, f(x) = -5x 2, find f(-4).

Mathematics

1 answer:

Minchanka [31]3 years ago

3 0

Answer:

The value of f(-4) = -80

Step-by-step explanation:

It is given that, f(x) = -5x²

To find the value f(-4)

Let f(x) = -5x²

To find the value of f(-4), substitute -4 instead of x

f(-4) = -5 * (-4)²

= -5 * 16 [ since (-4)² = -4 * -4 = 16 ]

= -80

Therefore the value of f(-4) = -80

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