Questions from General Calculus

Q: Solve the equations in Exercises 39–44. x2 -

Solve the equations in Exercises 39–44. x2 - 8x + 16 / 1 + √x = 0

Q: Suppose that the cable television company’s cost function in Example 4 changes

Suppose that the cable television company’s cost function in Example 4 changes to C(x) = 275 + 12x. Determine the new breakeven points.

Q: Graph the following equations. y = 3x + 1

Graph the following equations. y = 3x + 1

Q: When a car is moving at x miles per hour and the

When a car is moving at x miles per hour and the driver decides to slam on the brakes, the car will travel x + (1/20) x2 feet. (The general formula is f (x) = ax + bx2, where the constant a depends on...

Q: In Exercises 47–50, find the zeros of the function

In Exercises 47–50, find the zeros of the function. (Use the specified viewing window.) f (x) = x2 - x - 2; [-4, 5] [-4, 10]

Q: Draw the following intervals on the number line. (

Draw the following intervals on the number line. (4, 3π)

Q: An office supply firm finds that the number of laptop computers sold

An office supply firm finds that the number of laptop computers sold in year x is given approximately by the function f (x) = 150 + 2x + x2, where x = 0 corresponds to 2015. (a) What does f (0) repres...

Q: In Exercises 47–50, find the zeros of the function

In Exercises 47–50, find the zeros of the function. (Use the specified viewing window.) f (x) = x3 - 3x + 2; [-3, 3] [-10, 10]

Q: In Exercises 47–50, find the zeros of the function

In Exercises 47–50, find the zeros of the function. (Use the specified viewing window.) f (x) = √(x + 2) - x + 2; [-2, 7] by [-2, 4]

Q: In Exercises 47–50, find the zeros of the function

In Exercises 47–50, find the zeros of the function. (Use the specified viewing window.) f (x) = x / (x + 2) - x2 + 1; [-1.5, 2] by [-2, 3]