Haley pays a monthly fee of $20 for her cell phone and then pays 5 cents per minute used. the cost of haley’s cell phone bill can be expressed by the function c(m) = 0.05m + 20, where m is the number of minutes used. what are the domain and range of the function c(m)?

Does the function satisfy the hypotheses of the mean value theorem on the given interval? f(x) = 4x^2 + 3x + 4, [−1, 1] no, f is continuous on [−1, 1] but not differentiable on (−1, 1). no, f is not continuous on [−1, 1]. yes, f is continuous on [−1, 1] and differentiable on (−1, 1) since polynomials are continuous and differentiable on . there is not enough information to verify if this function satisfies the mean value theorem. yes, it does not matter if f is continuous or differentiable; every function satisfies the mean value theorem.