Suppose that f is a function given as f(x)=2x-7. Write the expression for f(x + h). f(x+h)= Write an expression for f(x + h) - f(x) = h f(x + h) f(x) h Rationalize and simplify f(x + h) f(x) h - f(x + h) - f(x) h Now find lim h0 f(x + h) f(x) h - 11