16) Write the equations with domain restrictions for the following piecewise linear functions

What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?

Acylinder has volume 45π and radius 3. what is it’s height?

(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.