Let f(x) = 8x3 - 15x2 – 4, x21.5. Find the value of df - 1
at the point x = 268 = f(4).
dx
df-1
The value of
dx
at the point x = 268 = f(4) is
(Type a simplified fraction.)

Can u guys do this ratio question. this is extremely urgent a tap is leaking water at a rage of 1l every 8 hours. how long will it take for the tap to leak a total of 300ml?

What percent of 18 is 24? and plz explain thx.

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.