Solve for x 3.8 4.8 5.8 6.8

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

Identify which functions are linear or non-linear. a. f(x) = x2 + 1 b. f(x) = 2x + 5 c. f(x) = x 2 + 3 d. f(x) = 3 x + 7 e. f(x) = 4x + 10 2 - 5

Can someone me out here number 4 plz