Question

Let x be any real number. Then the statement
x^3 > 0 is true for
A x > 0 only
B x < 0 only
C no values of x
D all real values of x

Answer 1

what do u think is the answer

Answer 2

I don't know

Answer 3

it would be great if you explained the answer to me :)

Answer 4

Sorry Idk :(

Answer 5

Let's test options A and B separately.

Answer 6

Testing Option A:
If I choose a random real number which is greater than 0, say \(\large\rm x=4\)

Does it satisfy \(\large\rm x^3>0\) or not?

Answer 7

\[\large\rm (4)^3=64\]64 is greater than 0, ya?

Answer 8

thankyou :)