Answer:

Step-by-step explanation:
we are given an algebraic function in x, such that

To find when second derivative >0
For this let us find first and second derivative by successive differentiation.

when ii derivative >0 we have
60x^3-30>0

f"(x)>0 in

Answer:
If the 20% discount is by the hour then the answer would be $11.70 I think.
0.25x78= 19.50
19.50x0.20(20%)= 3.90
19.50-3.90-3.90= 11.70
Hope this helps!
Step-by-step explanation:
Answer:
ans.
Step-by-step explanation:
50.24 square feet is the answer
Answer:
10.5
Step-by-step explanation:
The Percent Proportion is defined by. amount. ... The base, denoted by the letter b, is the entire quantity or total involved. Note: The number that is the base usually appears after the word of. The amount, denoted by the letter a, is the part being compared to the whole or total.