Eduardo S.

10/17/21

Use the given information to find the exact function value. Simplify your answer as much as possible. cosa = 4/5, 3π/2<a<2π. What is sin(a/2), cos(a/2), and tan(a/2)?

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10/07/21

Derivative Inverse Question

For each of the given functions f(x) , find the derivative (f^-1)'(c) at the given point c , first finding a = f^-1(c)f(x) = 3x+7x^15 ; c = -10a = -1(f^-1)'(c) = ????f(x) = x^2 - 15x + 77 on the... more

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Math Calculus

10/04/21

RECURSION AND MATHEMATICAL INDUCTION

You are given the sequence defined as followsa n = 3 a n-1 +n , ∀ n ≥ 2a 1 = 1Use iteration to guess an explicit formula for a n and then use mathematical induction to prove the correctness of... more

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Math Prealgebra Statistics

09/27/21

Freshener Air Problem.

A company that makes air fresheners has determined with x milliliters of liquid, their product lasts for Q(x)days. Based on their current formula, a 20 milliliter (mL) container will last for 21... more

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Math Calculus Maths

10/31/19

Help me with this integral problem?

Show whether ∫ 1/x^4 dx from -1 to 2 is convergent or divergent. If convergent, evaluate the integral. Here's my work:After integrating, I got [-1/(3x^3)] from -1 to 2 and I got -3/8 as the answer... more

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