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  1. How to Find Critical Numbers of a Function - Study.com

    At these points, the slope of a tangent line to the graph will be zero, so you can find critical numbers by first finding the derivative of the function and then setting it equal to zero.

  2. Find the equations of both the tangent lines to the ellipse x2 + 4y2 ...

    Find the equations of both the tangent lines to the ellipse x2 + 4y2 = 36 that pass through the point (12,3). y = (horizontal tangent line) y = (non-horizontal tangent line)

  3. How to find the horizontal tangent line using derivative?

    Horizontal Tangent Line A horizontal tangent line is a straight line that only touches the function at one point, this straight line can be vertical, horizontal or a slant straight line, also, the slope of …

  4. Find the points on the interval 0, 2\pi) where the graph of the ...

    Find the points on the interval [0, 2 π) where the graph of the function f (x) = 2 s i n (x) + s i n 2 (x) has a horizontal tangent line.

  5. True or False? In Exercise, determine whether the statement is true …

    A horizontal line is one where its slope is zero. If a function has a horizontal tangent line, then that means the function's derivative is equal to zero at that point.

  6. Find all points on the graph of 3x^2 + 4y^2 +3xy = 24 where the …

    Find all points on the graph of 3 x 2 + 4 y 2 + 3 x y = 24 where the tangent line is horizontal (figure below).

  7. Determine the points in the interval (0, 2\pi) at which the graph of ...

    The first derivative of a function gives the slope of the tangent line to that function at any point. Recall that the slope of a horizontal tangent line (of any tangent line) is 0.

  8. The total cost and the total revenue (in dollars) for the production ...

    A) Find the value of x where the graph of R (x) has a horizontal tangent line. B) Find the profit function P (x) in ter The revenue from selling q items is R (q) = 225q - q^2 , and the total cost …

  9. Consider the following function. y = x^3 + 3 x^2 - 9 x + 1 a. Find y ...

    Horizontal Tangent Line: The slope of all horizontal lines is zero. To find the slope of a tangent line to a curve, we find the derivative of the function. It also represents the rate of change of …

  10. Find the second smallest positive x-value where the graph of the ...

    A tangent line is a linear function that intersects a curve at one single point. A horizontal tangent line is characterized as a tangent line where the slope is equal to zero, such that m = 0.