A store marks a TV down from $499 to $350. Which expression can be used to calculate the percent decrease?

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Question 3 (essay worth 10 points) (03.06 mc) part a: max rented a motorbike at $465 for 5 days. if he rents the same motorbike for a week, he has to pay a total rent of $625. write an equation in the standard form to represent the total rent (y) that max has to pay for renting the motorbike for x days. (4 points) part b: write the equation obtained in part a using function notation. (2 points) part c: describe the steps to graph the equation obtained above on the coordinate axes. mention the labels on the axes and the intervals. (4 points)