A one to one function is given. Write an equation for the inverse function
M(x)=4x^3-3
1 answer:
Step-by-step explanation:
M(x) = 4x^3 - 3
let M(x) = Y
Y = 4x^3 - 3...swap places of x & y.
X = 4y^3 - 3
look for x in terms of y.
4y^3 = x + 3
Y^3 = x + 3 / 4...put both sides under cube root.
y = ( x + 3 / 4 )^1/3
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All real numbers greater than or equal to -3
Jane = x years
Tom = x+8
*5 Years Ago
Jane= x-5
Tom= (x+8)-5=>x+3---------------------------
x+3=3(x-5)<span>x+3=3x-15
3x-x=18
2x=18
x=9
Jane = 9 years
Tome = 9+8 = 17 years</span>
Answer:
Exact Form:
42765
7
Decimal Form:
6109.28571428....
Mixed Number Form:
6109
2
7
There are 330 combinations and 1,663,200 individual permutations.
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2x + 8 = 3x - 5
+ 5
2x + 13 = 3x
- 2x
x = 13
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