Precalculus Examples

$f (x) = 50 {(1 - \frac{x}{20})}^{2}$ , $f (0)$

Step 1

Replace the variable $x$ with $0$ in the expression.

$f (0) = 50 {(1 - \frac{0}{20})}^{2}$

Step 2

Simplify $50 {(1 - \frac{0}{20})}^{2}$ .

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Step 2.1

Remove parentheses.

$50 {(1 - \frac{0}{20})}^{2}$

Step 2.2

Simplify each term.

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Step 2.2.1

Divide $0$ by $20$ .

$50 {(1 - 0)}^{2}$

Step 2.2.2

Multiply $- 1$ by $0$ .

$50 {(1 + 0)}^{2}$

Step 2.3

Simplify the expression.

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Step 2.3.1

Add $1$ and $0$ .

$50 \cdot 1^{2}$

Step 2.3.2

One to any power is one.

$50 \cdot 1$

Step 2.3.3

Multiply $50$ by $1$ .

$50$