Calculus Examples

$f (x) = 25 - x^{2}$ , $f (1)$

Step 1

Replace the variable $x$ with $1$ in the expression.

$f (1) = 25 - {(1)}^{2}$

Step 2

Simplify $25 - {(1)}^{2}$ .

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Step 2.1

Remove parentheses.

$25 - {(1)}^{2}$

Step 2.2

Simplify each term.

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Step 2.2.1

One to any power is one.

$25 - 1 \cdot 1$

Step 2.2.2

Multiply $- 1$ by $1$ .

$25 - 1$

Step 2.3

Subtract $1$ from $25$ .

$24$