# Tutor profile: Ramesh S.

Inactive

Ramesh S.

Love to Teach Math

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## Questions

### Subject: Pre-Calculus

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Question:

Determine slope of a function f(x) = x^3 - 3 x at x = 1

Inactive

Ramesh S.

Answer:

Slope is nothing but first derivative of that function, f(x) = x^3 - 3 x f'(x) = 3 x^2 -3 at x = 1 f'(x) = 3 (1)^2 - 3 f'(x) = 3 - 3 = 0 The slope is "0"

### Subject: Calculus

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Question:

Find derivative f(x) = 6 x^3 - 9 x + 4

Inactive

Ramesh S.

Answer:

f'(x) = 18 x^2 - 9

### Subject: Algebra

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Question:

Find the x intercept of the graph of the equation . 2x - 4y = 9

Inactive

Ramesh S.

Answer:

Given the equation 2 x - 4 y = 9 To find the x intercept we set y = 0 and solve for x. 2 x - 4(0) = 9 2 x - 0 = 9 Solve for x. x = 9 / 2 The x intercept is at the point (9/2 , 0).

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