Precalculus Examples

f (x) = 3 x + 4 x - 5

$f (x) = 3 x + 4 x - 5$

Step 1

Rewrite the function as an equation.

y = 3 x + 4 x - 5

$y = 3 x + 4 x - 5$

Step 2

Add

3 x

$3 x$ and

4 x

$4 x$ .

y = 7 x - 5

$y = 7 x - 5$

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[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$