Answer:
5x4 - 3x2 + 9x - 7
Step-by-step explanation:
Step by step solution :
Step 1 :
Equation at the end of step 1 :
(((5•(x4))+7x)+2)-((3x2-2x)+9)
Step 2 :
Equation at the end of step 2 :
((5x4 + 7x) + 2) - (3x2 - 2x + 9)
Step 3 :
Checking for a perfect cube :
3.1 5x4-3x2+9x-7 is not a perfect cube
Trying to factor by pulling out :
3.2 Factoring: 5x4-3x2+9x-7
Answer: 3/10
Step-by-step explanation:
Take the derivative of 
to get 
. Set that equal to 0 to find the critical points of the function. The critical points is when the slope is either 0 or undefined.
Now do:
There are quite a few more steps to actually find the minimum, but for this example you can automatically assume its a minimum because it is the only critical point of the function. Ill show you these extra steps tho.
Plug in two numbers into the derivative. One that is less than 3/10 and one that is greater than 3/10. The numbers 0 and 1 are fine. When x = 0, the function is -6. When x = 1, the function is +14. A switch from negative to positive indicates a minimum value
Answer:
3(6)-1
----------------
2(6)+1
Step-by-step explanation:
r(x) = 3x-1
s(x) = 2x+1
r(6) / s(6)
r(6) = 3(6)-1
s(6) = 2(6)+1
Putting r(6)/ s(6)
3(6)-1
----------------
2(6)+1
75 meters did he walk everyday por just 5 days
82.25 divided by 7 is 11.75. Each scarf costs 11.75, this is the unit price.
