7b/12=4.2
7b=50.4
b=7.2
hope this helps
Assuming you're asking "for which values of the function has an inverse that is a function", the answer is "all the odd exponents ".
Infact, if is even, you have that
and so is not injective, and thus not invertible
On the other hand, if is odd, we have:
- is continuous.
- The first two points tell us that the function is surjective.
- Moreover, the derivative is . Since is even, we have , thus the function is always increasing, and so the function is also injective.
- Injective and surjective means bijective, and the function can be inverted.
Answer:
C. 3x=21
x=7
Step-by-step explanation:
well...
if all three bags cost $4,000 then you'll need $3,700.
but if one bag costs $4,000 then that'll equal to $12,000 which then you'll need $11,700.
<u>i might've misundestood your question so please let me know if this is correct!</u>