f(x)=2x 2 +3x, find f, of, minus, 5f(−5)
Question
f(x)=2x 2 +3x, find f, of, minus, 5f(−5)
Solution
To find the value of the function f(x) = 2x^2 + 3x at x = -5, you substitute -5 in place of x in the function.
Step 1: Substitute x = -5 into the function f(-5) = 2(-5)^2 + 3(-5)
Step 2: Simplify the equation = 2(25) - 15 = 50 - 15 = 35
So, f(-5) = 35.
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