Evaluate (f(40)-f(0))/(40-0)

$\frac{f (40) - f (0)}{40 - 0}$

Step 1

Simplify the numerator.

Factor $f$ out of $f (40) - f \cdot 0$ .

Factor $f$ out of $- f \cdot 0$ .

$\frac{f (40) + f (- 1 \cdot 0)}{40 - 0}$

Factor $f$ out of $f (40) + f (- 1 \cdot 0)$ .

$\frac{f (40 - 1 \cdot 0)}{40 - 0}$

$\frac{f (40 - 1 \cdot 0)}{40 - 0}$

Multiply $- 1$ by $0$ .

$\frac{f (40 + 0)}{40 - 0}$

Add $40$ and $0$ .

$\frac{f \cdot 40}{40 - 0}$

$\frac{f \cdot 40}{40 - 0}$

Step 2

Simplify the denominator.

Multiply $- 1$ by $0$ .

$\frac{f \cdot 40}{40 + 0}$

Add $40$ and $0$ .

$\frac{f \cdot 40}{40}$

$\frac{f \cdot 40}{40}$

Step 3

Cancel the common factor of $40$ .

Cancel the common factor.

$\frac{f \cdot 40}{40}$

Divide $f$ by $1$ .

$f$

$f$

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