Find the domain and range of the quadratic function whose graph is described.The vertex is (1, -5) and the graph opens down.

Find the domain and range of the quadratic function whose graph is described.The vertex is (-1, -4) and the graph opens down.

Use the compound interest formulas A = Pnt and A = Pert to solve.Find the accumulated value of an investment of $1400 at 14% compounded quarterly for 2 years.

Evaluate or simplify the expression.log 108

Solve the problem.The cost in millions of dollars for a company to manufacture x thousand automobiles is given by the function C(x) = 3×2 – 12x + 32. Find the number of automobiles that must be produced to minimize the cost.

Find the range of the quadratic function.f(x) = -x2 + 10x – 6

Please make sure you have your whiteboard and calculator ready, as you may not leave to get them once you have started the exam. If you can see yourself ( face & hands) and your workspace ( whiteboard & calculator) in the recording window, proceed to question one. If not please adjust your camera accordingly, before proceeding to the test.  You are allowed to use a calculator throughout this test. Best wishes for a successful performance!

Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution. ( Do not leave any spaces between numbers and symbols. Do not write x= ) 10x = 4.99

Find the axis of symmetry of the parabola defined by the given quadratic function.f(x) = 11(x – 5)2 + 4

Find the axis of symmetry of the parabola defined by the given quadratic function.f(x) = 11(x – 2)2 + 7