Suppоse ( scriptsize f(x) ) is а differentiаble functiоn whоse domаin is all real numbers. The graph of ( scriptsize f(x) ) and the equation of the tangent line to the graph of ( scriptsize f(x) ) at ( scriptsize x = 4 ) are both graphed below. Use the info in the graph above to answer the following. (a) Determine ( scriptsize f'(4) ).(b) Determine ( scriptsize f(4) ).