Please answer the following questions. Be sure to show all steps as you work. Thank you in advance for a job well done.

of the model. In Exercises 87-92, find the difference quotient and simplify your answer. f ( x + c) - f(x) 87. f (x) = 2x, c #0 C be 88. g(x) = 3x - 1, 8(x + h) - g(x) h h + 0 89. f(x) = x2 - x+1, f ( 2 + h) - f( 2) h h + 0 Du f (x + h) - f(x) 90. f(x) = x3+ x, h + 0 h The symbol indicates an example or exercise that highlights alg