Answered

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2. Given f(x) = -2x2 - 5, find f(-4).

Sagot :

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Given the function, f(x) = -2x^2 - 5: to evaluate f(-4), you must substitute the value of x = -4 as input into the function.

f(x) = -2x^2 - 5

f(-4) = -2(-4)^2 - 5

f(-4) = -2(16) - 5

f(-4) = -32 - 5

f(-4) = -37

Therefore, f(-4) = -37

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