Question

If f'(x) = x + b, f(1) =5, f(2) = 13, find f (x)​

Answer 1

Step-by-step explanation:

please mark as brainliest answer

Answer 2

Answer:

f(x) = 0.5x² + 6.5x - 2

Step-by-step explanation:

$\frac{dy}{dx}$ ⇆ ∫ y dx

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f(x) = $\frac{x^2}{2}$ + $\frac{13x}{2}$ - 2