91Ó°ÊÓ

State whether each sentence is true or false. If false, replace the underlined word, phrase, expression, or number to make a true sentence.

A piecewise-linear function is also called a step function.

Solve each equation for the given variable.

$4x−3y=12$for$x$

Jacob formed an advertising company in 1992. Initially, the company only had 14 employees. In 2008, the company had grown to a total of 63 employees. Find the percent of change in the number of employees working at Jacob ‘s company. Round to the nearest tenth of a percent if necessary.

Write an equation of the line with the given conditions.

$\left(−1,6\right),\left(2,4\right)$.