Questions from General Calculus


Q: A particle moves along a horizontal line so that its coordinate at

A particle moves along a horizontal line so that its coordinate at time t is x = √b2 + c2t2, t > 0, where and are positive constants. (a). Find the velocity and acceleration functions. (b). Show that...

See Answer

Q: The mass of part of a wire is x (x +

The mass of part of a wire is x (x + √x) kilograms, where x is measured in meters from one end of the wire. Find the linear density of the wire when x = 4 m.

See Answer

Q: The volume of a right circular cone is V = 1/

The volume of a right circular cone is V = 1/3πr2h, where r is the radius of the base and h is the height. (a). Find the rate of change of the volume with respect to the height if the radius is consta...

See Answer

Q: Find the limit. limx→∞ √x2 – 9/

Find the limit. limx→∞ √x2 – 9/2x - 6

See Answer

Q: The function C (t) = K (e-at

The function C (t) = K (e-at – e-ht), where a, b, and K are positive constants and b > a, is used to model the concentration at time t of a drug injected into the bloodstream. (a). Show that limt→∞ C...

See Answer

Q: Let f (x) = 3√x. (

Let f (x) = 3√x. (a). If a ≠ 0, use Equation 2.6.5 to find f'(a). (b). Show that f'(a) does not exist. (c). Show that y = 3√x has a vertical tangent line at (0, 0).

See Answer

Q: (a). Find the linearization of f (x) =

(a). Find the linearization of f (x) = 3√1 + 3x at a = 0. State the corresponding linear approximation and use it to give an approximate value for 3√1.03. (b). Determine the values of for which the li...

See Answer

Q: A window has the shape of a square surmounted by a semicircle

A window has the shape of a square surmounted by a semicircle. The base of the window is measured as having width 60 cm with a possible error in measurement of 0.1 cm. Use differentials to estimate th...

See Answer

Q: Express the limit limθ→π/3 cos θ – 0

Express the limit limθ→π/3 cos θ – 0.5/θ – π/3 as a derivative and thus evaluate it.

See Answer

Q: Find f'(x) if it is known that d/

Find f'(x) if it is known that d/dx [f (2x)] = x2

See Answer