Find the value for the function. Find f(2x) when f(x) = -3x^2 + 5x + 2.
Question
Find the value for the function. Find f(2x) when f(x) = -3x^2 + 5x + 2.
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Solution
To find f(2x) when f(x) = -3x^2 + 5x + 2, you need to replace every instance of x in the function with 2x.
So, f(2x) = -3(2x)^2 + 5(2x) + 2
Simplify the equation:
f(2x) = -3*4x^2 + 10x + 2 f(2x) = -12x^2 + 10x + 2
So, the value of the function f(2x) when f(x) = -3x^2 + 5x + 2 is f(2x) = -12x^2 + 10x + 2.
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