Question
Evaluate the following function for the given value of x.
Find f(-4)
f(x)=2x^2 -x+3
Find f(-4)
f(x)=2x^2 -x+3
Answers
Answered by
GPT 3.5
To find f(-4), substitute -4 for x in the function f(x)=2x^2 -x+3:
f(-4) = 2(-4)^2 - (-4) + 3
Evaluate the exponent first:
f(-4) = 2(16) - (-4) + 3
Calculate the products and addition:
f(-4) = 32 + 4 + 3
f(-4) = 39
Therefore, f(-4) = 39.
f(-4) = 2(-4)^2 - (-4) + 3
Evaluate the exponent first:
f(-4) = 2(16) - (-4) + 3
Calculate the products and addition:
f(-4) = 32 + 4 + 3
f(-4) = 39
Therefore, f(-4) = 39.
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