Question

CALC help

Answer 1

dy/dx=4x

Answer 2

and if x=3, dy/dx=12

Answer 3

so A

Answer 4

@caozeyuan yeah so would the answer be 12

Answer 5

correct, the answe is 12

Answer 6

what about this one please stay n help!!!

Answer 7

@caozeyuan

Answer 8

ds/dr=8pi*r

Answer 9

r=8 so 64pi

Answer 10

@caozeyuan

Answer 11

i much much appreciate now one else helps me

Answer 12

this one you dont need derivatives

Answer 13

can you see why?

Answer 14

yes now what

Answer 15

so its just (f(4)-f(-3))/7

Answer 16

A?

Answer 17

correct

Answer 18

1 more!

Answer 19

@caozeyuan

Answer 20

dy/dx=5*x^-2, so x=5 and dy/dx=1/5

Answer 21

ds/dt=-32t+5 and t=3 so -91

Answer 22

thank YOU! how do you know lal of this? are you 100% sure they are right?

Answer 23

@caozeyuan

Answer 24

Im pretty sure my calc I skill is not that rusty

Answer 25

ok. thank you!

Answer 26

got 1 wrong can we try again please real quick??? please?