For each equation, determine whether its graph is symmetric with respect to the x-axis, the y-axis, and the origin. Check all symmetries that apply. X 5 (a) 35x7 + 25y- =47 ( b ) x - ty + 9 = 0 Symmetry: Symmetry: O x-axis O x-axis O y-axis O y-axis O origin O origin O none of the above O none of the above'3 The area A (r) (in square meters) of a circular algae colony with radius 3' meters is given by AC1): TU\". 10 The radius A! (r) (in meters) after 1' minutes is given by MO) 2 ?r. Write a formula for the area ZCI) (in square meters) of the algae colony after I minutes. It is not necessary to simplify. Z(?)=D I an :IT