An equation that defines y as a function f of x is given. a) Solve the...

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An equation that defines y as a function f of x is given. a) Solve the equation for y in terms of x, and replace y with the function notation f(x). b) Find f(4). x+2y=9 COL a) Solve the equation for y in terms of x, and replace y with the function notation f(x). f(x)= An equation that defines y as a function f of x is given. a) Solve the equation for y in terms of x, and replace y with the function notation f(x). b) Find f(4). x+2y=9 COL a) Solve the equation for y in terms of x, and replace y with the function notation f(x). f(x)=