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A. Given That F(x) = 4.2 - 12 Where F(x) = Y, Define A Function Rule For F-1. Preview F-'(y) = (y+12

a. Given that f(x) = 4.2 - 12 where f(x) = y, define a function rule for f-1. Preview f-'(y) = (y+1274 2u+7 b. Given that g(u) = - + +13 where g(u) = v. define a function rule for g! g '(u) = (2v-20)/4 . Preview Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c Be sure your variables match those in the question Box 2: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c Be sure your variables match those in the question The function f(r) = ara determines the area of a circle in cm². A in terms of the radius of the circle in cm, r. a. Define a function g that determines the radius of a circle in cm, r, in terms of the area of the cirlce in cm². A. 9(A) = sqrt(a/(pi)) Preview b. Use function notation to represent each of the following: i. The area (in cm) of a circle whose radius is 2.53 cm? 20.109pi Preview ii. The radius (in cm) of a circle whose area is 1863 cm? 24.352 Preview 111. How much larger area a circle whose radius is 15.7 cm has than a circle whose radius is 15.6 cm? * Preview Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/ Be sure your variables match those in the question Box 2: Enter your answer as an expression. Example: 3x^2+1, x5, (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/5, (a+b)/ Be sure your variables match those in the question Box 4: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/ Be sure your variables match those in the question