Avery invested $3,800 in an account paying an interest rate of 5\tfrac{1}{2}5 2
1
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% compounded monthly. Serenity invested $3,800 in an account paying an interest rate of 6\tfrac{1}{8}6
8
1
​
% compounded continuously. After 17 years, how much more money would Serenity have in her account than Avery, to the nearest dollar?

Find the x-intercepts of the parabola withvertex (1,1) and y-intercept (0,-3).write your answer in this form: (x1,if necessary, round to the nearest hundredth.

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)