Please explain in detail

a. Write a function f that determines the circumference of a circle in cm, 0, in terms of the radius of the circle in cm, 1*. fir) = I______ I Preview b. Write a function 9 that determines the radius of a circle in cm. r, in terms of the circumference of the circle in cm. C. 9(0) : I W l i I Preview c. Using your answers to parts (a) and (b), evaluate the following expressions: i- mm = L ii. g(f(23)) : I I Preview iii. f(g(132.6)) = I I Preview iv. g(f(132.6)) : Preview Box 1: Enter your answer as an expression. Example: 3xA2+l, x15. (a+b)/c Be sure your variables match those in the question I Preview Box 2: Enter your answer as an expression. Example: 3x"2+1, x75, (a+b)/c Be sure your variables match those in the question Box 3: Enter your answer as a number (like 5. -3. 2.2172) or as a calculation (like 5/3, 2A3. 5+4) Enter DNE for Does Not Exist, 00 for Innity Box 4: Enter your answer as a number (like 5, -3. 2.2172) or as a calculation (like 5/3, 2A3. 5+4) Enter DNE for Does Not Exist, 00 for Innity Box 5: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 513, 2'2\"), 5+4) . Enter DNE for Does Not Exist, 00 for Infinity Box 6: Enter your answer as a number (like 5y -3, 2.2172) or as a calculation (like 573, 2'6, 5+4) _ - Enter DNE for Does Not Extst. 00 for Innity Points possible: 1 Unlimited attempts. Post this question to forum