Using the Mean Value Theorem In Exercises 57-62, use a graphing utility to (a) graph the function f on the given interval, (b) find and graph the secant line through points on the graph of f at the endpoints of the given interval, and (c) find and graph any tangent lines to the graph of f that are parallel to the secant line.
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Chapter 4 Solutions
Calculus: Early Transcendental Functions
- Use a graphing utility to graph each function in the interval [0, 2x). y = 9 cos?(x), y = 9e-x + 9x - 9 (a) Write an equation whose solutions are the points of intersection of the graphs. (b) Use the intersect feature of the graphing utility to find the points of intersection (to four decimal places). (Enter the point of intersection whose x-coordinate is within the interval [o, 27). If there is no solution, enter NO SSOLUTION.) (x, y) =arrow_forwardConsider the inverse tangent function y = tan-1 x, or y = arctan x. (a) What is its domain? (b) What is its range? (c) Is this function increasing or decreasing? (d) Is there any real number x for which arctan x is not defned? If so, what is it (or what are they)?arrow_forwardtan0 Find the domain of the function f:0→ 2 sin 0 – 3cos0arrow_forward
- Consider the function f (x) = tan(x) and remember that tan (x) sin(x) cos (x) What is the domain of f ? Submitarrow_forwardConsider the function f(x) tan (x) cot (x) (a) Calculate f(x) using the product rule (b) Calculatef (x) by simplifying f(x) first. (c) Show that the expressions found in parts (a) and (b) are equivalent! Note: Parts (b) and (c) require trigonometric identities -mainly quotient and reciprocal identities)arrow_forward
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