MAT 145 Midterm: MATH 145 Illinois State ch04TestTFredoSolution
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Use the function f (x) = x 3 " 3x for questions 6 through 8. Express all solutions using exact values: determine the equation for the tangent line to f when x = 0. Provide appropriate justification for your response: use the technique of linear approximation to estimate the value of f (0. 025) . State whether your estimate is greater or less than the actual value of f (0. 025) and justify that statement. ____________: if a snowball melts so that its surface area decreases at a rate of 1 find the rate at which the radius decreases when the diameter is 10 cm. Interpret your results in a full sentence and be sure to include correct units. min , cm. Use this information for question 10 through 13. Show evidence of your reasoning: determine all time intervals during which the particle is moving upward with decreasing velocity.
