Amatrix a is given. determine if the system ax = b (where x and b have the appropriate number of components) has a solution for all choices of b. a = 5 −4 4 2

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

Which question is not a good survey question? a.don't you agree that the financial crisis is essentially over? 63on average, how many hours do you sleep per day? c. what is your opinion of educational funding this year? d.are you happy with the availability of electronic products in your state?