Question

Help with #11

Answer 1

Just put it into a calculator.

Answer 2

how?

Answer 3

We know that 2^3 = 8, right?
And 3^3 = 27
So we know that 15 is between 8 and 27 and is closer to 8 than 27. So the third root of 15 should be between 2 and 3 and should be closer to 2 than 3. So start trying some numbers. Do 2.1^3 and 2.2^3 and see which one is closer to 15.

Answer 4

I'm trying to find the derivative not solve

Answer 5

number 11 sorry

Answer 6

Let u = 3x^2
du = 6x
d(sinu)=cosudu=(cos3x^2)(6x)=6xcos(3x^2)

Answer 7

thank you a ton!

Answer 8

yw