What is the derivative of 7x-4sqrt(x) ?

The derivative of 7x-4sqrt(x) is 7-2/(sqrt(x))

What is the first derivative of 7x-4sqrt(x) ?

The first derivative of 7x-4sqrt(x) is 7-2/(sqrt(x))

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\frac{d}{d x} (7 x - 4 x)

7 - \frac{2}{x}

Solution steps

\frac{d}{d x} (7 x - 4 x)

Apply the Sum/Difference Rule:

(f \pm g)^{'} = f^{'} \pm g^{'}

= \frac{d}{d x} (7 x) - \frac{d}{d x} (4 x)

\frac{d}{d x} (7 x) = 7

\frac{d}{d x} (4 x) = \frac{2}{x}

= 7 - \frac{2}{x}

f (t) = cos (t)

x \to 0 lim (2 x cos (\frac{1}{x}) - 2)

f (x) = (4 x + 2)^{- 1}

\int (\frac{1}{9 + x ^{2}}) d x

\int \frac{1}{sec ( y ) tan ( y )} d y

What is the derivative of 7x-4sqrt(x) ?
The derivative of 7x-4sqrt(x) is 7-2/(sqrt(x))
What is the first derivative of 7x-4sqrt(x) ?
The first derivative of 7x-4sqrt(x) is 7-2/(sqrt(x))