Find the derivative of f(x) = negative 9 divided by x at x = -8. (6 points)

Combine like terms7y^2 + 7(6y^2 − 8)

In a circle, a 45° sector has an area of 32π cm2. what is the radius of this circle? 32 cm 12 cm 16 cm 8 cm

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3