Question:
Find the derivative of the function f(x)=3x2−5x+2.
Answer:
To find the derivative of the function f(x)=3x2−5x+2, we can use the power rule for differentiation, which states that if f(x)=cxn, then f′(x)=ncxn−1.
Step 1: Write down the function: f(x)=3x2−5x+2.
Step 2: Apply the power rule for each term in the function.
For the term 3x2, the power rule gives us 3⋅2x2−1=6x.
For the term −5x, the power rule gives us −5⋅1x1−1=−5.
For the constant term 2, the power rule gives us 0, since any constant raised to the power of 0 is 1.
Step 3: Combine the derivatives of each term.
The derivative of f(x) is f′(x)=6x−5+0.
Simplifying gives us f′(x)=6x−5.
Therefore, the derivative of the function f(x)=3x2−5x+2 is f′(x)=6x−5.