Rationa' Reasomng lMathAS X + C' imathas.rationalreasoning.net The function f(1') = 1'2 determines the area of a circle in cmz, A, in terms of the radius of the circle in cm, 7'. a. Dene a function 9 that determines the radius of a circle in cm, r, in terms of the area of the cirlce in cmz, A. 9(A) = same/(pm Preview h. Use function notation to represent each of the following: i. The area (in cm2) of a circle whose radius is 2.79 cm? squ(((pi)(2.79)"2)lpi) t Preview ii. The radius (in cm) of a circle whose area is 1208 cm2? squ((1208)lpi) : Preview iii. How much larger is the area of a circle whose radius is 15.8 cm than a circle whose radius is 15.7 cm? a Preview Box 1: Enter your answer as an expression. Example: 3x/'2+1, x/S, (a+h)/c Be sure your variables match those in the question Box 2: Enter your answer as an expression. Example: 3xA2+1, x/5, (a+b)/c Be sure your variables match those in the question Box 3: Enter your answer as an expression. Example: 3x/'2+1, x/S, (a+h)/c Be sure your variables match those in the question Box 4: Enter your answer as an expression. Example: 3xA2+1, x/5, (a+b)/c Be sure your variables match those in the question Question 3. Points possible: 4 Unlimited attempts. Score on last attempt: 1. Score in gradebook: 1 Given a formula (4/ = 42: + 9 that represents how the values of :c and y vary together. a. Define a function f that determines y in terms of z