Problem 703

The letters x and y represent rectangular coordinates. Write the following equation using polar coordinates (r, θ).   Solution:-   x = r * cosθ y = r * sinθ give the equation x^2 +y^2…

Problem 557

  What is the range of 2×2 + 1.   Solution:-   The graph of the function is a parabola. The positive 2 in the equation will make the graph…

Problem 556

  What is the range of the following function?  f(x) = (4,6), (5,7),(6,8),(7,9)   Solution:-   Given a set of ordered pairs, the range is found by identifying the y-coordinates…

Problem 359

Problem 359 The Rental Depreciation Problem. The owner of a rental house can depreciate its value over a period of    years, meaning that the  value of the house declines…

Problem 220

Problem 220 A cylindrical can of cleaner holds 1 L of liquid. What is its height if the diameter of the base is 10 cm?   Solution 1L=1000 cm 3 …