PRACTICE VERSION OF QUIZ #2 (WARREN D. SMITH, MATH 75 = CALC I) ================================================================== Find a formula for the derivative of the following functions of x: 1. sin(ln( (x+3)(x+7) )) 2. cos( tan(x) + x ) 3. sin(x)/x 2 4. exp( 5 + x ) x 5. log ( 7 + x ) 3 Find the values of the following limits 6. exp(x) - 1 - x lim -------------- x-->0 2 x 7. ln(x) + 1 - x lim -------------- x-->1 2 x 8. exp(x) lim ------ x-->infinity 3 x 9. Find the (x,y) coordinates of all the local mins, local maxes, roots, and inflection points of 3 2 the polynomial y = x + x - 3x + 2. Note: finding root (meaning, x where y(x)=0) to 2 decimal places accuracy is good enough, and Newton's method is one way to try to do that. 10. What is the linear approximation to y = sin(pi x)+ln(x) in the neighborhood of x=1?