7r (1 point) Approximate the value of cos( 3 + 0.09) using a tangent line approximation. cos( +0.09) 2 5!! (Enter your answer as a fraction or a mixed number. You do not need to reduce to lowest terms.) 0.12 (1 point) Approximate the value of 9 using a tangent line approximation. 0.12 A. ... 6 ~ "- (Enter your answer as a fraction or a mixed number. You do not need to reduce to lowest terms.) (1 point) The value of x is measured at 12, accurate within 3%. The value of f(x) is given by f(x) = xl/g. Determine the error |Af| in the calculation of f and find the percentage error 100 I%: . IN | = 525 Percentage error in f is E (percent) (1 point) The value of x is measured at 5, accurate within 4%. The value of f(x) is given by f(x) = Il If I' IN | = iii 1 . Determine the error |Af| in the calculation + x of f and find the percentage error 100 Percentage error in f is :g: (percent) (1 point) The speed I) of blood flowing along the central axis of an artery of radius R is given by Poiseuille's law, U(R) 2 CR2 , where c is a constant. If you can determine the radius of the artery to within an accuracy of 2.5%, how accurate is your calculation of the speed? Speed is accurate to within ::: percent