Question

p(x) = 3x² − 5x; Find p(−5) ​

Answer 1

The value of the function when p = -5 is 100

Function and values

Given the function below expressed as;

p(x) = 3x² − 5x;

Substitute the value of x into the function to have:

p(-5) = 3(-5)^2-5(-5)

Simplify

p(-5) = 3(25) + 25

p(-5) = 75 + 25

p(-5) = 100

Hence the value of the function when p = -5 is 100

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