Find the derivative of f(x) = 12x^2 + 8x at x = 9
*If anybody could please explain the steps to solve this, that would be so helpful. Thank you in advance*
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"The derivative of the f(x) = 12 x^2 + 8x is simple.
Just keep in mind that, if y = x^n then dy/dx = n * x^n-1
df(x)/dx = 12 * 2x^2-1 + 1 * 8x^1-1
= 24*x + 8
When you will put the value of x = 9 in the equation then,
= 24*9 + 8
224
"
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