Essential Calculus
2nd Edition
ISBN: 9781285209067
Author: Stewart
Publisher: Cengage
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An electric current can be represented by the function y=2cos(2π(x−0.02)), with time in x seconds. How many times does the current reach a value of 1 on the interval 0<x<5?
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Studies have shown that the number of accidents a driver has varies with the age of the driver, and is highest for very young and very old drivers. The number of serious accidents for drivers of age x during a recent year was approximately f(x) = 0.013x2 − 1.46x + 48 for 16 ≤ x ≤ 85.
Find the age that has the least accidents, rounding your answer to the nearest year.
x =
How is your=h/b x isn’t it supposed to be -h/b x
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- 11. Consider the equation f(x)= x2 -6/ 13x+5 find the value of f(53) to the nearest tentharrow_forwardFind the value of x for which the line tangent to the graph of f(x)=5x2−7x+3 has a tangent line parallel to the line y=−2x+3. Write your answer as a fraction. Do not include x= in your answer.arrow_forwardThe circumference of a circle is given by the formula 2πr, where r is the radius of the circle. A circle is being dilated such that the radius is growing in time, m in minutes, according to the function r= 2m + 5. Express the circumference as a function of time in minutes, m.arrow_forward
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