C Suppose f is a linear function and f(x) varies at a constant rate of change of 3.5 with respect to . Suppose we know that f (1.4) = 2.5. a. Suppose x varies from x = 1.4 to x = 1.6... i. How much did a change by? Ax = 0.2 Preview ii. What is the corresponding change in f(x)? Af(a) = 2.5 Preview iii. What is the value f(1.6)? f (1.6)= Preview b. Write a function formula for f(x). (Hint: use the same thinking as in (a), but now imagine x varying from x = 1.4 to any new value of r.) f(x) = Preview Submit License Question 12. Points possible: 1