4 Answered Questions for the topic Ib Math


Percent Decrease in an Exponential Decay Model of the Price of Corn

Over the last 10 years, the price of corn has decreased by 25% per bushel(a) Assuming a steady percent decrease, by what percent does it decrease each year? Round to the nearest percent.(b)... more

Differentiation, Quadratic Equations and the Discriminant

Let f(x) = 5ax^3 - 2bx^2 +4cx1 Find dy/dx f(x)2 Given that f'(x) => 0 and a > 0, show that b^2 =< 15ac


Properties of logarithms

Expand each logarithm.Log(6 x 11)



Let A and B be independent evnets where P(A)=0.3 and P(B)=0.6Find P(AnB)Find P(AuB)Find P(AnB’)

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