Find the derivative of the following functions

f (x) = x^7 - 2x^3 - 9x

Which SI unit of measurement should be used for the vertical axis? A. annum B. Kelvin C. milliliter D. Fahrenheit

The greatest common factor 10z-40

A box of crackers has dimensions of 3 1/2 inches by 6 1/4 inches by 4 inches. What is the volume of the box

Stephanie can type around 70 words per minute she has less than a week to type her final research paper if she has to be at least 15 pages long and each page has about 350 words how many hours should Stephanie set aside to type her assignment?

Thirteen less than six times a number is equal to 11 more than four times the number

Which algebraic expression is a polynomial with a degree of 5? a) 3x5 + 8x4y2 - 9x3y3 - 6y5 b) 2xy4 + 4x2y3 - 6x3y2 - 7x4 c) 8y6 + y5 - 5xy3 + 7x2y2 - x3y - 6x4 d) - 6xy5 + 5x2y3 - x3y2 + 2x2y3 - 3xy5

Add. (-3a^2+4a-6) + (-a^2-9)

You can buy 3 post cards for $5.40, 6 post cards for $10.80 or 9 postcards for $16.20. What is the constant of proportionality for buying post cards?

A house can be build using 15 panels, how many houses can be build using 1000 panels

Which ordered pair in the form (x, y) is a solution of this equation? 7x-5y=1 A] (-3,-2) B] (-2,-3) C] (0,4) D] (4,0)