Answer:
86 minutes
If you want a step by step explanation please let me know in the comments .
well 6,2 and -3,-7
y=x3 +2x2-4x-2
f^-1(x)=w-3
Step-by-step explanation:
1. switch c with f
f=w+3
2. switch w and f
w=f+3
3. solve for f
f=w-3
4. Switch f with f^-1(x)
answer for this question is (d)
x + 4x = 5x
90/5 = 18
x = 18
4x = 72
Answer:-23
Its -23