SPRECALC7 2.7.059. 20. [-/1 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find f. g. h. f(x) = x -7, g(x) = x, h(x) = x-7 Need Help? Read It Watch It SPRECALC7 2.7.061. 21. [-/1 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find f. g. h. f(x) = x5 +9, g(x) = x -5, h(x) = x Need Help? Read It Watch It SPRECALC7 2.7.066. 22. [-/1 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Express the function G in the form f. g. (There is more than one correct answer. The function is of the form y = f(g(x)). Use non-identity functions for f(x) and g(x).) G(x) = 1 X+6 (f(x), g(x)) = Need Help? Read It 23. [-/1 Points] DETAILS SPRECALC7 2.7.071. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Express the function G in the form f. g. h. (Enter your answers as a comma-separated list. Use non-identity functions for f(x), g(x) and h(x).) G(x)=(7+x) (f(x), g(x), h(x)) = Need Help? Read It Watch It SPRECALC7 2.7.078. 24. [-/4 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A spherical balloon is being inflated. The radius of the balloon is increasing at the rate of 3 cm/s. (a) Find a function f that models the radius as a function of time t, in seconds. f(t) = (b) Find a function g that models the volume as a function of the radius r, in cm. g(r) = (c) Find g. f. g. f = What does this function represent? The function represents the time as a function of volume. The function represents the volume as a function of time. The function represents the radius as a function of volume. The function represents the volume as a function of the radius. The function represents the radius as a function of time.