Determine if the sequence is algebraic or geometric, and find the common difference or ratio.
x 1 2 3 4
f(x) 5 −5 −15 −25
a. algebraic, common difference = −10
b. algebraic, common difference = −1
c. geometric, common ratio = −10
d. geometric, common ration = −1

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y > 2x + 3y is less than negative 3 over 2 times x minus 4part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points)part b: is the point (â’4, 6) included in the solution area for the system? justify your answer mathematically. (4 points)

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.