Expansion Numerically Impractical. Show that the computation of an nth-order determinant by expansion involves n! multiplications, which if a multiplication takes 10-9 sec would take these times:
n 10 15 20 25
time 0.004 22 77 0.5 x109
sec min years years

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Solve the word problem. the table shows the low outside temperatures for monday, tuesday, and wednesday. by how many degrees did the low temperature increase from monday to tuesday? this function table shows the outside temperature for a given a. 21.1⁰ b. 8.6⁰ c. 4.9⁰ d. 3.9⁰(the picture is the graph the the question is talking about.)

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)