Find the derivative of f(x) = 8x + 4 at x = 9. (6 points)

What is the nth term rule of the linear sequence below? 27 , 25 , 23 , 21 , 19 , . .

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.